diff --git a/codegen/gradle/libs.versions.toml b/codegen/gradle/libs.versions.toml
index cd2677cc..b763ded2 100644
--- a/codegen/gradle/libs.versions.toml
+++ b/codegen/gradle/libs.versions.toml
@@ -1,12 +1,12 @@
 [versions]
 junit5 = "6.0.3"
-smithy = "1.67.0"
-mockito = "5.21.0"
+smithy = "1.68.0"
+mockito = "5.22.0"
 test-logger-plugin = "4.0.0"
 spotbugs = "6.0.22"
-spotless = "8.2.1"
+spotless = "8.3.0"
 smithy-gradle-plugins = "1.4.0"
-dep-analysis = "3.5.1"
+dep-analysis = "3.6.1"
 jsoup = "1.22.1"
 commonmark = "0.17.0"
 
diff --git a/codegen/gradle/wrapper/gradle-wrapper.jar b/codegen/gradle/wrapper/gradle-wrapper.jar
index 61285a65..d997cfc6 100644
Binary files a/codegen/gradle/wrapper/gradle-wrapper.jar and b/codegen/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/codegen/gradle/wrapper/gradle-wrapper.properties b/codegen/gradle/wrapper/gradle-wrapper.properties
index 37f78a6a..dbc3ce4a 100644
--- a/codegen/gradle/wrapper/gradle-wrapper.properties
+++ b/codegen/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.3.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.4.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
diff --git a/codegen/gradlew b/codegen/gradlew
index adff685a..0262dcbd 100755
--- a/codegen/gradlew
+++ b/codegen/gradlew
@@ -57,7 +57,7 @@
 #       Darwin, MinGW, and NonStop.
 #
 #   (3) This script is generated from the Groovy template
-#       https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
+#       https://github.com/gradle/gradle/blob/b631911858264c0b6e4d6603d677ff5218766cee/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
 #       within the Gradle project.
 #
 #       You can find Gradle at https://github.com/gradle/gradle/.