diff --git a/.github/workflows/horizon.yml b/.github/workflows/horizon.yml
index fd167bfce7..1a5415f74b 100644
--- a/.github/workflows/horizon.yml
+++ b/.github/workflows/horizon.yml
@@ -33,9 +33,9 @@ jobs:
     env:
       HORIZON_INTEGRATION_TESTS_ENABLED: true
       HORIZON_INTEGRATION_TESTS_CORE_MAX_SUPPORTED_PROTOCOL: ${{ matrix.protocol-version }}
-      PROTOCOL_20_CORE_DEBIAN_PKG_VERSION: 19.14.1-1529.fcbbad4ce.focal
-      PROTOCOL_20_CORE_DOCKER_IMG: 2opremio/stellar-core:19.14.1-1529.fcbbad4ce.focal
-      PROTOCOL_20_SOROBAN_RPC_DOCKER_IMG: stellar/soroban-rpc:20.0.0-rc4pubnet-42
+      PROTOCOL_20_CORE_DEBIAN_PKG_VERSION: 19.14.1-1590.b6b730a0c.focal
+      PROTOCOL_20_CORE_DOCKER_IMG: stellar/unsafe-stellar-core:19.14.1-1590.b6b730a0c.focal
+      PROTOCOL_20_SOROBAN_RPC_DOCKER_IMG: stellar/soroban-rpc:20.0.0-rc4231129-43
       PROTOCOL_19_CORE_DEBIAN_PKG_VERSION: 19.12.0-1378.2109a168a.focal
       PROTOCOL_19_CORE_DOCKER_IMG: stellar/stellar-core:19.12.0-1378.2109a168a.focal
       PGHOST: localhost
diff --git a/services/horizon/docker/captive-core-integration-tests.soroban-rpc.cfg b/services/horizon/docker/captive-core-integration-tests.soroban-rpc.cfg
index 2e3dd346e5..9a7ad9d769 100644
--- a/services/horizon/docker/captive-core-integration-tests.soroban-rpc.cfg
+++ b/services/horizon/docker/captive-core-integration-tests.soroban-rpc.cfg
@@ -1,10 +1,15 @@
 PEER_PORT=11725
 ARTIFICIALLY_ACCELERATE_TIME_FOR_TESTING=true
-ENABLE_SOROBAN_DIAGNOSTIC_EVENTS=true
 
 UNSAFE_QUORUM=true
 FAILURE_SAFETY=0
 
+ENABLE_SOROBAN_DIAGNOSTIC_EVENTS=true
+# Lower the TTL of persistent ledger entries
+# so that ledger entry extension/restoring becomes testeable
+TESTING_MINIMUM_PERSISTENT_ENTRY_LIFETIME=10
+TESTING_SOROBAN_HIGH_LIMIT_OVERRIDE=true
+
 [[VALIDATORS]]
 NAME="local_core"
 HOME_DOMAIN="core.local"
diff --git a/services/horizon/internal/integration/contracts/Cargo.lock b/services/horizon/internal/integration/contracts/Cargo.lock
index 006b35e8e2..e80d7d5d28 100644
--- a/services/horizon/internal/integration/contracts/Cargo.lock
+++ b/services/horizon/internal/integration/contracts/Cargo.lock
@@ -447,9 +447,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.28.0"
+version = "0.28.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6fb8d784f27acf97159b40fc4db5ecd8aa23b9ad5ef69cdd136d3bc80665f0c0"
+checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
 
 [[package]]
 name = "group"
@@ -470,9 +470,9 @@ checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
 [[package]]
 name = "hashbrown"
-version = "0.14.2"
+version = "0.14.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f93e7192158dbcda357bdec5fb5788eebf8bbac027f3f33e719d29135ae84156"
+checksum = "290f1a1d9242c78d09ce40a5e87e7554ee637af1351968159f4952f028f75604"
 
 [[package]]
 name = "hex"
@@ -483,6 +483,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hex-literal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6fe2267d4ed49bc07b63801559be28c718ea06c4738b7a03c94df7386d2cde46"
+
 [[package]]
 name = "hmac"
 version = "0.12.1"
@@ -539,7 +545,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
 dependencies = [
  "equivalent",
- "hashbrown 0.14.2",
+ "hashbrown 0.14.3",
  "serde",
 ]
 
@@ -551,9 +557,9 @@ checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
 
 [[package]]
 name = "itertools"
-version = "0.10.5"
+version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
 dependencies = [
  "either",
 ]
@@ -566,9 +572,9 @@ checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
 
 [[package]]
 name = "js-sys"
-version = "0.3.65"
+version = "0.3.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "54c0c35952f67de54bb584e9fd912b3023117cbafc0a77d8f3dee1fb5f572fe8"
+checksum = "cee9c64da59eae3b50095c18d3e74f8b73c0b86d2792824ff01bbce68ba229ca"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -731,9 +737,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.69"
+version = "1.0.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
+checksum = "39278fbbf5fb4f646ce651690877f89d1c5811a3d4acb27700c1cb3cdb78fd3b"
 dependencies = [
  "unicode-ident",
 ]
@@ -830,18 +836,18 @@ checksum = "836fa6a3e1e547f9a2c4040802ec865b5d85f4014efe00555d7090a3dcaa1090"
 
 [[package]]
 name = "serde"
-version = "1.0.192"
+version = "1.0.193"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bca2a08484b285dcb282d0f67b26cadc0df8b19f8c12502c13d966bf9482f001"
+checksum = "25dd9975e68d0cb5aa1120c288333fc98731bd1dd12f561e468ea4728c042b89"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.192"
+version = "1.0.193"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d6c7207fbec9faa48073f3e3074cbe553af6ea512d7c21ba46e434e70ea9fbc1"
+checksum = "43576ca501357b9b071ac53cdc7da8ef0cbd9493d8df094cd821777ea6e894d3"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -925,10 +931,21 @@ version = "1.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4dccd0940a2dcdf68d092b8cbab7dc0ad8fa938bf95787e1b916b0e3d0e8e970"
 
+[[package]]
+name = "soroban-builtin-sdk-macros"
+version = "20.0.0-rc2"
+source = "git+https://github.com/stellar/rs-soroban-env?rev=be04cf31e925ba5bacd9b22db7caf7b4f6dd8372#be04cf31e925ba5bacd9b22db7caf7b4f6dd8372"
+dependencies = [
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "soroban-env-common"
 version = "20.0.0-rc2"
-source = "git+https://github.com/stellar/rs-soroban-env?rev=91f44778389490ad863d61a8a90ac9875ba6d8fd#91f44778389490ad863d61a8a90ac9875ba6d8fd"
+source = "git+https://github.com/stellar/rs-soroban-env?rev=be04cf31e925ba5bacd9b22db7caf7b4f6dd8372#be04cf31e925ba5bacd9b22db7caf7b4f6dd8372"
 dependencies = [
  "arbitrary",
  "crate-git-revision",
@@ -945,7 +962,7 @@ dependencies = [
 [[package]]
 name = "soroban-env-guest"
 version = "20.0.0-rc2"
-source = "git+https://github.com/stellar/rs-soroban-env?rev=91f44778389490ad863d61a8a90ac9875ba6d8fd#91f44778389490ad863d61a8a90ac9875ba6d8fd"
+source = "git+https://github.com/stellar/rs-soroban-env?rev=be04cf31e925ba5bacd9b22db7caf7b4f6dd8372#be04cf31e925ba5bacd9b22db7caf7b4f6dd8372"
 dependencies = [
  "soroban-env-common",
  "static_assertions",
@@ -954,11 +971,14 @@ dependencies = [
 [[package]]
 name = "soroban-env-host"
 version = "20.0.0-rc2"
-source = "git+https://github.com/stellar/rs-soroban-env?rev=91f44778389490ad863d61a8a90ac9875ba6d8fd#91f44778389490ad863d61a8a90ac9875ba6d8fd"
+source = "git+https://github.com/stellar/rs-soroban-env?rev=be04cf31e925ba5bacd9b22db7caf7b4f6dd8372#be04cf31e925ba5bacd9b22db7caf7b4f6dd8372"
 dependencies = [
  "backtrace",
+ "curve25519-dalek",
  "ed25519-dalek",
  "getrandom",
+ "hex-literal",
+ "hmac",
  "k256",
  "num-derive",
  "num-integer",
@@ -967,8 +987,8 @@ dependencies = [
  "rand_chacha",
  "sha2",
  "sha3",
+ "soroban-builtin-sdk-macros",
  "soroban-env-common",
- "soroban-native-sdk-macros",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey",
@@ -977,7 +997,7 @@ dependencies = [
 [[package]]
 name = "soroban-env-macros"
 version = "20.0.0-rc2"
-source = "git+https://github.com/stellar/rs-soroban-env?rev=91f44778389490ad863d61a8a90ac9875ba6d8fd#91f44778389490ad863d61a8a90ac9875ba6d8fd"
+source = "git+https://github.com/stellar/rs-soroban-env?rev=be04cf31e925ba5bacd9b22db7caf7b4f6dd8372#be04cf31e925ba5bacd9b22db7caf7b4f6dd8372"
 dependencies = [
  "itertools",
  "proc-macro2",
@@ -998,26 +1018,16 @@ dependencies = [
 [[package]]
 name = "soroban-ledger-snapshot"
 version = "20.0.0-rc2"
-source = "git+https://github.com/stellar/rs-soroban-sdk?rev=729ed3ac5fe8600a3245d5816eadd3c95ab2eb54#729ed3ac5fe8600a3245d5816eadd3c95ab2eb54"
+source = "git+https://github.com/stellar/rs-soroban-sdk?rev=e35bace9de5addae7c32f405cdc11bb459cb1d61#e35bace9de5addae7c32f405cdc11bb459cb1d61"
 dependencies = [
  "serde",
  "serde_json",
+ "serde_with",
  "soroban-env-common",
  "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-native-sdk-macros"
-version = "20.0.0-rc2"
-source = "git+https://github.com/stellar/rs-soroban-env?rev=91f44778389490ad863d61a8a90ac9875ba6d8fd#91f44778389490ad863d61a8a90ac9875ba6d8fd"
-dependencies = [
- "itertools",
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "soroban-sac-test"
 version = "0.0.0"
@@ -1028,13 +1038,15 @@ dependencies = [
 [[package]]
 name = "soroban-sdk"
 version = "20.0.0-rc2"
-source = "git+https://github.com/stellar/rs-soroban-sdk?rev=729ed3ac5fe8600a3245d5816eadd3c95ab2eb54#729ed3ac5fe8600a3245d5816eadd3c95ab2eb54"
+source = "git+https://github.com/stellar/rs-soroban-sdk?rev=e35bace9de5addae7c32f405cdc11bb459cb1d61#e35bace9de5addae7c32f405cdc11bb459cb1d61"
 dependencies = [
  "arbitrary",
  "bytes-lit",
  "ctor",
  "ed25519-dalek",
  "rand",
+ "serde",
+ "serde_json",
  "soroban-env-guest",
  "soroban-env-host",
  "soroban-ledger-snapshot",
@@ -1045,7 +1057,7 @@ dependencies = [
 [[package]]
 name = "soroban-sdk-macros"
 version = "20.0.0-rc2"
-source = "git+https://github.com/stellar/rs-soroban-sdk?rev=729ed3ac5fe8600a3245d5816eadd3c95ab2eb54#729ed3ac5fe8600a3245d5816eadd3c95ab2eb54"
+source = "git+https://github.com/stellar/rs-soroban-sdk?rev=e35bace9de5addae7c32f405cdc11bb459cb1d61#e35bace9de5addae7c32f405cdc11bb459cb1d61"
 dependencies = [
  "crate-git-revision",
  "darling",
@@ -1064,7 +1076,7 @@ dependencies = [
 [[package]]
 name = "soroban-spec"
 version = "20.0.0-rc2"
-source = "git+https://github.com/stellar/rs-soroban-sdk?rev=729ed3ac5fe8600a3245d5816eadd3c95ab2eb54#729ed3ac5fe8600a3245d5816eadd3c95ab2eb54"
+source = "git+https://github.com/stellar/rs-soroban-sdk?rev=e35bace9de5addae7c32f405cdc11bb459cb1d61#e35bace9de5addae7c32f405cdc11bb459cb1d61"
 dependencies = [
  "base64 0.13.1",
  "stellar-xdr",
@@ -1075,7 +1087,7 @@ dependencies = [
 [[package]]
 name = "soroban-spec-rust"
 version = "20.0.0-rc2"
-source = "git+https://github.com/stellar/rs-soroban-sdk?rev=729ed3ac5fe8600a3245d5816eadd3c95ab2eb54#729ed3ac5fe8600a3245d5816eadd3c95ab2eb54"
+source = "git+https://github.com/stellar/rs-soroban-sdk?rev=e35bace9de5addae7c32f405cdc11bb459cb1d61#e35bace9de5addae7c32f405cdc11bb459cb1d61"
 dependencies = [
  "prettyplease",
  "proc-macro2",
@@ -1121,9 +1133,9 @@ checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
 
 [[package]]
 name = "spki"
-version = "0.7.2"
+version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d1e996ef02c474957d681f1b05213dfb0abab947b446a62d37770b23500184a"
+checksum = "d91ed6c858b01f942cd56b37a94b3e0a1798290327d1236e4d9cf4eaca44d29d"
 dependencies = [
  "base64ct",
  "der",
@@ -1137,17 +1149,19 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.7"
-source = "git+https://github.com/stellar/rs-stellar-strkey?rev=e6ba45c60c16de28c7522586b80ed0150157df73#e6ba45c60c16de28c7522586b80ed0150157df73"
+version = "0.0.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
 dependencies = [
  "base32",
+ "crate-git-revision",
  "thiserror",
 ]
 
 [[package]]
 name = "stellar-xdr"
 version = "20.0.0-rc1"
-source = "git+https://github.com/stellar/rs-stellar-xdr?rev=9c97e4fa909a0b6455547a4f4a95800696b2a69a#9c97e4fa909a0b6455547a4f4a95800696b2a69a"
+source = "git+https://github.com/stellar/rs-stellar-xdr?rev=d6f8ece2c89809d5e2800b9df64ae60787ee492b#d6f8ece2c89809d5e2800b9df64ae60787ee492b"
 dependencies = [
  "arbitrary",
  "base64 0.13.1",
@@ -1155,6 +1169,7 @@ dependencies = [
  "hex",
  "serde",
  "serde_with",
+ "stellar-strkey",
 ]
 
 [[package]]
@@ -1255,9 +1270,9 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.88"
+version = "0.2.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7daec296f25a1bae309c0cd5c29c4b260e510e6d813c286b19eaadf409d40fce"
+checksum = "0ed0d4f68a3015cc185aff4db9506a015f4b96f95303897bfa23f846db54064e"
 dependencies = [
  "cfg-if",
  "wasm-bindgen-macro",
@@ -1265,9 +1280,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.88"
+version = "0.2.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e397f4664c0e4e428e8313a469aaa58310d302159845980fd23b0f22a847f217"
+checksum = "1b56f625e64f3a1084ded111c4d5f477df9f8c92df113852fa5a374dbda78826"
 dependencies = [
  "bumpalo",
  "log",
@@ -1280,9 +1295,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.88"
+version = "0.2.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5961017b3b08ad5f3fe39f1e79877f8ee7c23c5e5fd5eb80de95abc41f1f16b2"
+checksum = "0162dbf37223cd2afce98f3d0785506dcb8d266223983e4b5b525859e6e182b2"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -1290,9 +1305,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.88"
+version = "0.2.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c5353b8dab669f5e10f5bd76df26a9360c748f054f862ff5f3f8aae0c7fb3907"
+checksum = "f0eb82fcb7930ae6219a7ecfd55b217f5f0893484b7a13022ebb2b2bf20b5283"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1303,9 +1318,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.88"
+version = "0.2.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0d046c5d029ba91a1ed14da14dca44b68bf2f124cfbaf741c54151fdb3e0750b"
+checksum = "7ab9b36309365056cd639da3134bf87fa8f3d86008abf99e612384a6eecd459f"
 
 [[package]]
 name = "wasmi_arena"
diff --git a/services/horizon/internal/integration/contracts/Cargo.toml b/services/horizon/internal/integration/contracts/Cargo.toml
index d27b45dd4f..72ada87404 100644
--- a/services/horizon/internal/integration/contracts/Cargo.toml
+++ b/services/horizon/internal/integration/contracts/Cargo.toml
@@ -25,4 +25,4 @@ lto = true
 [workspace.dependencies.soroban-sdk]
 version = "20.0.0-rc2"
 git = "https://github.com/stellar/rs-soroban-sdk"
-rev = "729ed3ac5fe8600a3245d5816eadd3c95ab2eb54"
+rev = "e35bace9de5addae7c32f405cdc11bb459cb1d61"
diff --git a/services/horizon/internal/integration/testdata/soroban_add_u64.wasm b/services/horizon/internal/integration/testdata/soroban_add_u64.wasm
index 91ca4537f6..9ffd8622b7 100755
Binary files a/services/horizon/internal/integration/testdata/soroban_add_u64.wasm and b/services/horizon/internal/integration/testdata/soroban_add_u64.wasm differ
diff --git a/services/horizon/internal/integration/testdata/soroban_increment_contract.wasm b/services/horizon/internal/integration/testdata/soroban_increment_contract.wasm
index ddcbadea30..b975e5ccd5 100755
Binary files a/services/horizon/internal/integration/testdata/soroban_increment_contract.wasm and b/services/horizon/internal/integration/testdata/soroban_increment_contract.wasm differ
diff --git a/services/horizon/internal/integration/testdata/soroban_sac_test.wasm b/services/horizon/internal/integration/testdata/soroban_sac_test.wasm
index 984fe5911e..9424da50fd 100755
Binary files a/services/horizon/internal/integration/testdata/soroban_sac_test.wasm and b/services/horizon/internal/integration/testdata/soroban_sac_test.wasm differ
diff --git a/services/horizon/internal/integration/testdata/soroban_store.wasm b/services/horizon/internal/integration/testdata/soroban_store.wasm
index 1082f8335e..7f839bd208 100755
Binary files a/services/horizon/internal/integration/testdata/soroban_store.wasm and b/services/horizon/internal/integration/testdata/soroban_store.wasm differ
diff --git a/services/horizon/internal/test/integration/integration.go b/services/horizon/internal/test/integration/integration.go
index 1a109a77df..4e10262913 100644
--- a/services/horizon/internal/test/integration/integration.go
+++ b/services/horizon/internal/test/integration/integration.go
@@ -720,7 +720,7 @@ func (i *Test) WaitUntilLedgerEntryTTL(ledgerKey xdr.LedgerKey) {
 	for attempt := 0; attempt < 50; attempt++ {
 		var result struct {
 			Entries []struct {
-				LiveUntilLedgerSeq *uint32 `json:"liveUntilLedgerSeqLedgerSeq,string,omitempty"`
+				LiveUntilLedgerSeq *uint32 `json:"liveUntilLedgerSeq,omitempty"`
 			} `json:"entries"`
 		}
 		err := client.CallResult(context.Background(), "getLedgerEntries", request, &result)