diff --git a/buildSrc/src/main/kotlin/smithy-rs.kotlin-conventions.gradle.kts b/buildSrc/src/main/kotlin/smithy-rs.kotlin-conventions.gradle.kts
index 9211b2f034..c45773459a 100644
--- a/buildSrc/src/main/kotlin/smithy-rs.kotlin-conventions.gradle.kts
+++ b/buildSrc/src/main/kotlin/smithy-rs.kotlin-conventions.gradle.kts
@@ -9,6 +9,17 @@ plugins {
 // Workaround per: https://github.com/gradle/gradle/issues/15383
 val Project.libs get() = the<org.gradle.accessors.dm.LibrariesForLibs>()
 
+// Ensure Kotlin stdlib dependencies have explicit versions in published POMs
+configurations.all {
+    resolutionStrategy {
+        eachDependency {
+            if (requested.group == "org.jetbrains.kotlin" && requested.name.startsWith("kotlin-stdlib")) {
+                useVersion(libs.versions.kotlin.version.get())
+            }
+        }
+    }
+}
+
 java {
     sourceCompatibility = JavaVersion.VERSION_11
     targetCompatibility = JavaVersion.VERSION_11
diff --git a/buildSrc/src/main/kotlin/smithy-rs.publishing-conventions.gradle.kts b/buildSrc/src/main/kotlin/smithy-rs.publishing-conventions.gradle.kts
index ea92236e33..8553e3ce87 100644
--- a/buildSrc/src/main/kotlin/smithy-rs.publishing-conventions.gradle.kts
+++ b/buildSrc/src/main/kotlin/smithy-rs.publishing-conventions.gradle.kts
@@ -2,6 +2,8 @@ plugins {
     `maven-publish`
     signing
 }
+
+val Project.libs get() = the<org.gradle.accessors.dm.LibrariesForLibs>()
 // FIXME(publishing): create a real "javadoc" JAR from Dokka output
 val javadocJar = tasks.register<Jar>("emptyJar") {
     archiveClassifier.set("javadoc")
@@ -15,6 +17,16 @@ publishing {
             from(components["java"])
             artifact(javadocJar)
 
+            // Fix Kotlin stdlib version in published POM
+            versionMapping {
+                usage("java-api") {
+                    fromResolutionOf("runtimeClasspath")
+                }
+                usage("java-runtime") {
+                    fromResolutionResult()
+                }
+            }
+
             afterEvaluate {
                 pom {
                     name.set(project.ext["displayName"].toString())