diff --git a/.changes/499084ed-325b-442f-bb2a-680a19e16b6a.json b/.changes/499084ed-325b-442f-bb2a-680a19e16b6a.json
new file mode 100644
index 00000000000..ae8e9ef003d
--- /dev/null
+++ b/.changes/499084ed-325b-442f-bb2a-680a19e16b6a.json
@@ -0,0 +1,5 @@
+{
+    "id": "499084ed-325b-442f-bb2a-680a19e16b6a",
+    "type": "bugfix",
+    "description": "Bump **smithy-kotlin** version to fix an error with serializing maps which use the `Document` type as a value"
+}
\ No newline at end of file
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index a163a0deb39..6ff0edd3f20 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 = "1.0.11"
-smithy-kotlin-codegen-version = "0.30.12"
+smithy-kotlin-runtime-version = "1.0.12"
+smithy-kotlin-codegen-version = "0.30.13"
 
 # codegen
 smithy-version = "1.42.0"