diff --git a/.changes/615f18a4-0462-41a6-9cd7-adac1015e977.json b/.changes/615f18a4-0462-41a6-9cd7-adac1015e977.json
new file mode 100644
index 00000000000..c990f47998f
--- /dev/null
+++ b/.changes/615f18a4-0462-41a6-9cd7-adac1015e977.json
@@ -0,0 +1,5 @@
+{
+    "id": "615f18a4-0462-41a6-9cd7-adac1015e977",
+    "type": "misc",
+    "description": "Upgrade Smithy to version **1.50.0**"
+}
\ No newline at end of file
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 1adc49237dc..d9d29516ff0 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -9,11 +9,11 @@ coroutines-version = "1.7.3"
 atomicfu-version = "0.23.1"
 
 # smithy-kotlin codegen and runtime are versioned separately
-smithy-kotlin-runtime-version = "1.2.11"
-smithy-kotlin-codegen-version = "0.32.11"
+smithy-kotlin-runtime-version = "1.2.12"
+smithy-kotlin-codegen-version = "0.32.12"
 
 # codegen
-smithy-version = "1.49.0"
+smithy-version = "1.50.0"
 
 # testing
 junit-version = "5.10.1"