diff --git a/.changes/4d8e0e00-1cc7-4fc6-88c0-3983c3ee3eb5.json b/.changes/4d8e0e00-1cc7-4fc6-88c0-3983c3ee3eb5.json
new file mode 100644
index 00000000000..b654f0115a1
--- /dev/null
+++ b/.changes/4d8e0e00-1cc7-4fc6-88c0-3983c3ee3eb5.json
@@ -0,0 +1,8 @@
+{
+    "id": "4d8e0e00-1cc7-4fc6-88c0-3983c3ee3eb5",
+    "type": "misc",
+    "description": "Upgrade to version [**1.2.4**](https://github.com/smithy-lang/smithy-kotlin/releases/tag/v1.2.4) of **smithy-kotlin** to pick up fix for `http.nonProxyHosts` wildcards",
+    "issues": [
+        "smithy-lang/smithy-kotlin#1092"
+    ]
+}
\ No newline at end of file
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 983792985c2..87a87e8c15b 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -9,8 +9,8 @@ coroutines-version = "1.7.3"
 atomicfu-version = "0.23.1"
 
 # smithy-kotlin codegen and runtime are versioned separately
-smithy-kotlin-runtime-version = "1.2.2"
-smithy-kotlin-codegen-version = "0.32.2"
+smithy-kotlin-runtime-version = "1.2.4"
+smithy-kotlin-codegen-version = "0.32.4"
 
 # codegen
 smithy-version = "1.47.0"