diff --git a/Cargo.lock b/Cargo.lock
index 82ef26cd318..ce09125f122 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -702,18 +702,18 @@ dependencies = [
 
 [[package]]
 name = "bit-set"
-version = "0.5.2"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e11e16035ea35e4e5997b393eacbf6f63983188f7a2ad25bfb13465f5ad59de"
+checksum = "08807e080ed7f9d5433fa9b275196cfc35414f66a0c79d864dc51a0d825231a3"
 dependencies = [
  "bit-vec",
 ]
 
 [[package]]
 name = "bit-vec"
-version = "0.6.3"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "349f9b6a179ed607305526ca489b34ad0a41aed5f7980fa90eb03160b69598fb"
+checksum = "5e764a1d40d510daf35e07be9eb06e75770908c27d411ee6c92109c9840eaaf7"
 
 [[package]]
 name = "bitflags"
@@ -4045,9 +4045,9 @@ dependencies = [
 
 [[package]]
 name = "proptest"
-version = "1.5.0"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4c2511913b88df1637da85cc8d96ec8e43a3f8bb8ccb71ee1ac240d6f3df58d"
+checksum = "14cae93065090804185d3b75f0bf93b8eeda30c7a9b4a33d3bdb3988d6229e50"
 dependencies = [
  "bit-set",
  "bit-vec",
diff --git a/governance/addin-mock/program/Cargo.toml b/governance/addin-mock/program/Cargo.toml
index 351b36baaab..d7adcd82d22 100644
--- a/governance/addin-mock/program/Cargo.toml
+++ b/governance/addin-mock/program/Cargo.toml
@@ -30,7 +30,7 @@ thiserror = "2.0"
 
 [dev-dependencies]
 assert_matches = "1.5.0"
-proptest = "1.5"
+proptest = "1.6"
 solana-program-test = "2.1.0"
 solana-sdk = "2.1.0"
 spl-governance-test-sdk = { version = "0.1.4", path = "../../test-sdk" }
diff --git a/governance/chat/program/Cargo.toml b/governance/chat/program/Cargo.toml
index 71c6c2db303..2bbe9412489 100644
--- a/governance/chat/program/Cargo.toml
+++ b/governance/chat/program/Cargo.toml
@@ -33,7 +33,7 @@ thiserror = "2.0"
 
 [dev-dependencies]
 assert_matches = "1.5.0"
-proptest = "1.5"
+proptest = "1.6"
 solana-program-test = "2.1.0"
 solana-sdk = "2.1.0"
 spl-governance-test-sdk = { version = "0.1.4", path = "../../test-sdk" }
diff --git a/governance/program/Cargo.toml b/governance/program/Cargo.toml
index e3c72b1b16f..a13ab6d385a 100644
--- a/governance/program/Cargo.toml
+++ b/governance/program/Cargo.toml
@@ -30,7 +30,7 @@ thiserror = "2.0"
 [dev-dependencies]
 assert_matches = "1.5.0"
 base64 = "0.22"
-proptest = "1.5"
+proptest = "1.6"
 solana-program-test = "2.1.0"
 solana-sdk = "2.1.0"
 spl-governance-test-sdk = { version = "0.1.4", path = "../test-sdk" }
diff --git a/libraries/math/Cargo.toml b/libraries/math/Cargo.toml
index 72bf60c978e..5cc3ee973e2 100644
--- a/libraries/math/Cargo.toml
+++ b/libraries/math/Cargo.toml
@@ -12,7 +12,7 @@ num-traits = "0.2"
 uint = "0.10"
 
 [dev-dependencies]
-proptest = "1.5.0"
+proptest = "1.6.0"
 libm = "0.2.11"
 
 [package.metadata.docs.rs]
diff --git a/stake-pool/program/Cargo.toml b/stake-pool/program/Cargo.toml
index 7fcd652bf1d..0718ffa98a9 100644
--- a/stake-pool/program/Cargo.toml
+++ b/stake-pool/program/Cargo.toml
@@ -33,7 +33,7 @@ bincode = "1.3.1"
 
 [dev-dependencies]
 assert_matches = "1.5.0"
-proptest = "1.5"
+proptest = "1.6"
 solana-program-test = "2.1.0"
 solana-sdk = "2.1.0"
 solana-vote-program = "2.1.0"
diff --git a/token-lending/program/Cargo.toml b/token-lending/program/Cargo.toml
index 309ba56b39a..63dee31b109 100644
--- a/token-lending/program/Cargo.toml
+++ b/token-lending/program/Cargo.toml
@@ -23,7 +23,7 @@ uint = "0.10"
 
 [dev-dependencies]
 assert_matches = "1.5.0"
-proptest = "1.5"
+proptest = "1.6"
 solana-program-test = "2.1.0"
 solana-sdk = "2.1.0"
 
diff --git a/token-swap/program/Cargo.toml b/token-swap/program/Cargo.toml
index 21358490b1b..b56bbe2ae29 100644
--- a/token-swap/program/Cargo.toml
+++ b/token-swap/program/Cargo.toml
@@ -26,7 +26,7 @@ arbitrary = { version = "1.4", features = ["derive"], optional = true }
 roots = { version = "0.0.8", optional = true }
 
 [dev-dependencies]
-proptest = "1.5"
+proptest = "1.6"
 roots = "0.0.8"
 solana-sdk = "2.1.0"
 test-case = "3.3"
diff --git a/token/program-2022/Cargo.toml b/token/program-2022/Cargo.toml
index fe9bbef21c0..9aa33a41bb7 100644
--- a/token/program-2022/Cargo.toml
+++ b/token/program-2022/Cargo.toml
@@ -45,7 +45,7 @@ spl-token-confidential-transfer-proof-generation = { version = "0.2.0", path = "
 
 [dev-dependencies]
 lazy_static = "1.5.0"
-proptest = "1.5"
+proptest = "1.6"
 serial_test = "3.2.0"
 solana-program-test = "2.1.0"
 solana-sdk = "2.1.0"
diff --git a/token/program/Cargo.toml b/token/program/Cargo.toml
index 5a7f867a425..c0788db3792 100644
--- a/token/program/Cargo.toml
+++ b/token/program/Cargo.toml
@@ -23,7 +23,7 @@ thiserror = "2.0"
 
 [dev-dependencies]
 lazy_static = "1.5.0"
-proptest = "1.5"
+proptest = "1.6"
 serial_test = "3.2.0"
 solana-program-test = "2.1.0"
 solana-sdk = "2.1.0"