diff --git a/gradle.properties b/gradle.properties
index 8f0bc93813..dedc5ebbd3 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -9,7 +9,7 @@ rust.msrv=1.63.0
 org.gradle.jvmargs=-Xmx1024M
 
 # Version number to use for the generated runtime crates
-smithy.rs.runtime.crate.version=0.54.2
+smithy.rs.runtime.crate.version=0.54.3
 
 kotlin.code.style=official