diff --git a/Cargo.lock b/Cargo.lock
index d5037e82c..b64b52b05 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -769,12 +769,13 @@ dependencies = [
 
 [[package]]
 name = "heapless"
-version = "0.8.0"
+version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0bfb9eb618601c89945a70e254898da93b13be0388091d42117462b265bb3fad"
+checksum = "25ba4bd83f9415b58b4ed8dc5714c76e626a105be4646c02630ad730ad3b5aa4"
 dependencies = [
  "hash32",
  "stable_deref_trait",
+ "zeroize",
 ]
 
 [[package]]
@@ -1546,7 +1547,7 @@ dependencies = [
  "soroban-ledger-snapshot",
  "soroban-sdk-macros",
  "soroban-spec",
- "stellar-strkey 0.0.16",
+ "stellar-strkey 0.0.18",
  "stellar-xdr",
  "trybuild",
  "visibility",
@@ -1674,13 +1675,14 @@ dependencies = [
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.16"
+version = "0.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "084afcb0d458c3d5d5baa2d294b18f881e62cc258ef539d8fdf68be7dbe45520"
+checksum = "0f34ff61c0ca6f1c2b4169e8d1633417bd9225f58b6175e4e317204565d16277"
 dependencies = [
- "crate-git-revision 0.0.6",
+ "crate-git-revision 0.0.9",
  "data-encoding",
  "heapless",
+ "zeroize",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index a4543fbdf..98ec043a8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -45,7 +45,7 @@ version = "=27.0.0"
 #rev = "7fb0a840812fe8921bb48bebf7b4aa7160467ec8"
 
 [workspace.dependencies.stellar-strkey]
-version = "=0.0.16"
+version = "=0.0.18"
 
 [workspace.dependencies.stellar-xdr]
 version = "=27.0.0"
diff --git a/tests/fuzz/fuzz/Cargo.lock b/tests/fuzz/fuzz/Cargo.lock
index 62899a401..1568a0ada 100644
--- a/tests/fuzz/fuzz/Cargo.lock
+++ b/tests/fuzz/fuzz/Cargo.lock
@@ -702,12 +702,13 @@ dependencies = [
 
 [[package]]
 name = "heapless"
-version = "0.8.0"
+version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0bfb9eb618601c89945a70e254898da93b13be0388091d42117462b265bb3fad"
+checksum = "25ba4bd83f9415b58b4ed8dc5714c76e626a105be4646c02630ad730ad3b5aa4"
 dependencies = [
  "hash32",
  "stable_deref_trait",
+ "zeroize",
 ]
 
 [[package]]
@@ -1328,7 +1329,7 @@ dependencies = [
  "soroban-env-host",
  "soroban-ledger-snapshot",
  "soroban-sdk-macros",
- "stellar-strkey 0.0.16",
+ "stellar-strkey 0.0.18",
  "visibility",
 ]
 
@@ -1428,13 +1429,14 @@ dependencies = [
 
 [[package]]
 name = "stellar-strkey"
-version = "0.0.16"
+version = "0.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "084afcb0d458c3d5d5baa2d294b18f881e62cc258ef539d8fdf68be7dbe45520"
+checksum = "0f34ff61c0ca6f1c2b4169e8d1633417bd9225f58b6175e4e317204565d16277"
 dependencies = [
- "crate-git-revision 0.0.6",
+ "crate-git-revision 0.0.9",
  "data-encoding",
  "heapless",
+ "zeroize",
 ]
 
 [[package]]