diff --git a/soroban-env-common/Cargo.toml b/soroban-env-common/Cargo.toml
index 0678dfeaf..2738ca47f 100644
--- a/soroban-env-common/Cargo.toml
+++ b/soroban-env-common/Cargo.toml
@@ -8,7 +8,7 @@ license = "Apache-2.0"
 version.workspace = true
 readme = "../README.md"
 edition = "2021"
-rust-version = "1.66"
+rust-version = "1.67"
 
 [build_dependencies]
 crate-git-revision = "0.0.4"
diff --git a/soroban-env-common/tests/no_std/Cargo.toml b/soroban-env-common/tests/no_std/Cargo.toml
index 5534e8570..df35c03aa 100644
--- a/soroban-env-common/tests/no_std/Cargo.toml
+++ b/soroban-env-common/tests/no_std/Cargo.toml
@@ -3,7 +3,7 @@ name = "test_no_std"
 version.workspace = true
 edition = "2021"
 publish = false
-rust-version = "1.66"
+rust-version = "1.67"
 
 [lib]
 doctest = false
diff --git a/soroban-env-guest/Cargo.toml b/soroban-env-guest/Cargo.toml
index f2dec11e8..40746ce73 100644
--- a/soroban-env-guest/Cargo.toml
+++ b/soroban-env-guest/Cargo.toml
@@ -8,7 +8,7 @@ license = "Apache-2.0"
 version.workspace = true
 readme = "../README.md"
 edition = "2021"
-rust-version = "1.66"
+rust-version = "1.67"
 
 [dependencies]
 soroban-env-common = { workspace = true, default-features = false, features = [] }
@@ -18,4 +18,4 @@ static_assertions = "1.1.0"
 all-features = true
 
 [features]
-testutils = ["soroban-env-common/testutils"]
\ No newline at end of file
+testutils = ["soroban-env-common/testutils"]
diff --git a/soroban-env-host/Cargo.toml b/soroban-env-host/Cargo.toml
index ed27c3246..f077a849c 100644
--- a/soroban-env-host/Cargo.toml
+++ b/soroban-env-host/Cargo.toml
@@ -8,7 +8,7 @@ license = "Apache-2.0"
 version.workspace = true
 readme = "../README.md"
 edition = "2021"
-rust-version = "1.66"
+rust-version = "1.67"
 
 [dependencies]
 soroban-native-sdk-macros = { workspace = true }
diff --git a/soroban-env-macros/Cargo.toml b/soroban-env-macros/Cargo.toml
index 3ec025ff5..33153e797 100644
--- a/soroban-env-macros/Cargo.toml
+++ b/soroban-env-macros/Cargo.toml
@@ -7,7 +7,7 @@ authors = ["Stellar Development Foundation <info@stellar.org>"]
 license = "Apache-2.0"
 version.workspace = true
 edition = "2021"
-rust-version = "1.66"
+rust-version = "1.67"
 
 [lib]
 proc-macro = true
diff --git a/soroban-native-sdk-macros/Cargo.toml b/soroban-native-sdk-macros/Cargo.toml
index 35e3cfd79..e26e59b0d 100644
--- a/soroban-native-sdk-macros/Cargo.toml
+++ b/soroban-native-sdk-macros/Cargo.toml
@@ -7,7 +7,7 @@ authors = ["Stellar Development Foundation <info@stellar.org>"]
 license = "Apache-2.0"
 version.workspace = true
 edition = "2021"
-rust-version = "1.66"
+rust-version = "1.67"
 
 [lib]
 proc-macro = true
diff --git a/soroban-synth-wasm/Cargo.toml b/soroban-synth-wasm/Cargo.toml
index a745a5480..a36a254f7 100644
--- a/soroban-synth-wasm/Cargo.toml
+++ b/soroban-synth-wasm/Cargo.toml
@@ -7,7 +7,7 @@ authors = ["Stellar Development Foundation <info@stellar.org>"]
 license = "Apache-2.0"
 version.workspace = true
 edition = "2021"
-rust-version = "1.66"
+rust-version = "1.67"
 publish = false
 
 [dependencies]
diff --git a/soroban-test-wasms/Cargo.toml b/soroban-test-wasms/Cargo.toml
index 6845878f1..86a1300b0 100644
--- a/soroban-test-wasms/Cargo.toml
+++ b/soroban-test-wasms/Cargo.toml
@@ -4,4 +4,4 @@ version.workspace = true
 description = "crate full of precompiled test WASM binaries for soroban -- for use in other tests, do not publish"
 edition = "2021"
 publish = false
-rust-version = "1.66"
+rust-version = "1.67"