diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index fed33f8..6358a08 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -27,6 +27,8 @@ jobs:
           ORG_GRADLE_PROJECT_githubToken: ${{ secrets.GITHUB_TOKEN }}
           ORG_GRADLE_PROJECT_ossrhUsername: ${{ secrets.OSSRH_USERNAME }}
           ORG_GRADLE_PROJECT_ossrhPassword: ${{ secrets.OSSRH_PASSWORD }}
+          ORG_GRADLE_PROJECT_signingKey: ${{ secrets.SIGNING_KEY }}
+          ORG_GRADLE_PROJECT_signingPassword: ${{ secrets.SIGNING_PASSWORD }}
 
   upload-pages:
     runs-on: ubuntu-latest
diff --git a/core/build.gradle.kts b/core/build.gradle.kts
index f502587..4b5af05 100644
--- a/core/build.gradle.kts
+++ b/core/build.gradle.kts
@@ -11,9 +11,10 @@ plugins {
     alias(libs.plugins.dokka)
 
     id("maven-publish")
+    id("signing")
 }
 group = "io.github.boswelja.menuprovider"
-version = "1.0.2"
+version = "1.0.3"
 
 android {
     namespace = "com.boswelja.menuprovider"
@@ -66,6 +67,13 @@ detekt {
     basePath = rootDir.absolutePath
 }
 
+signing {
+    val signingKey: String? by project
+    val signingPassword: String? by project
+    useInMemoryPgpKeys(signingKey, signingPassword)
+    sign(publishing.publications)
+}
+
 publishing {
     repositories {
         if (System.getenv("PUBLISHING") == "true") {
diff --git a/material3/build.gradle.kts b/material3/build.gradle.kts
index 0dce694..17d219e 100644
--- a/material3/build.gradle.kts
+++ b/material3/build.gradle.kts
@@ -11,10 +11,11 @@ plugins {
     alias(libs.plugins.dokka)
 
     id("maven-publish")
+    id("signing")
 }
 
 group = "io.github.boswelja.menuprovider"
-version = "1.0.2"
+version = "1.0.3"
 
 android {
     namespace = "com.boswelja.menuprovider.material3"
@@ -66,6 +67,13 @@ detekt {
     basePath = rootDir.absolutePath
 }
 
+signing {
+    val signingKey: String? by project
+    val signingPassword: String? by project
+    useInMemoryPgpKeys(signingKey, signingPassword)
+    sign(publishing.publications)
+}
+
 publishing {
     repositories {
         if (System.getenv("PUBLISHING") == "true") {