diff --git a/dev.galasa.gradle.impl/build.gradle b/dev.galasa.gradle.impl/build.gradle
index 742bd5d..08affde 100644
--- a/dev.galasa.gradle.impl/build.gradle
+++ b/dev.galasa.gradle.impl/build.gradle
@@ -95,6 +95,10 @@ tasks.withType(Javadoc) {
 
 
 signing {
+    def signingKeyId = findProperty("signingKeyId")
+    def signingKey = findProperty("signingKey")
+    def signingPassword = findProperty("signingPassword")
+    useInMemoryPgpKeys(signingKeyId, signingKey, signingPassword)
     sign publishing.publications
 }
 
diff --git a/dev.galasa.plugin.common.impl/build.gradle b/dev.galasa.plugin.common.impl/build.gradle
index 2998cec..e40e5e2 100644
--- a/dev.galasa.plugin.common.impl/build.gradle
+++ b/dev.galasa.plugin.common.impl/build.gradle
@@ -42,6 +42,10 @@ tasks.withType(Javadoc) {
 
 
 signing {
+    def signingKeyId = findProperty("signingKeyId")
+    def signingKey = findProperty("signingKey")
+    def signingPassword = findProperty("signingPassword")
+    useInMemoryPgpKeys(signingKeyId, signingKey, signingPassword)
     sign publishing.publications
 }
 
diff --git a/dev.galasa.plugin.common.test/build.gradle b/dev.galasa.plugin.common.test/build.gradle
index 7b39cab..8432eff 100644
--- a/dev.galasa.plugin.common.test/build.gradle
+++ b/dev.galasa.plugin.common.test/build.gradle
@@ -41,6 +41,10 @@ tasks.withType(Javadoc) {
 
 
 signing {
+    def signingKeyId = findProperty("signingKeyId")
+    def signingKey = findProperty("signingKey")
+    def signingPassword = findProperty("signingPassword")
+    useInMemoryPgpKeys(signingKeyId, signingKey, signingPassword)
     sign publishing.publications
 }
 
diff --git a/dev.galasa.plugin.common/build.gradle b/dev.galasa.plugin.common/build.gradle
index 2f1691d..b0ec584 100644
--- a/dev.galasa.plugin.common/build.gradle
+++ b/dev.galasa.plugin.common/build.gradle
@@ -70,6 +70,10 @@ tasks.withType(Javadoc) {
 }
 
 signing {
+    def signingKeyId = findProperty("signingKeyId")
+    def signingKey = findProperty("signingKey")
+    def signingPassword = findProperty("signingPassword")
+    useInMemoryPgpKeys(signingKeyId, signingKey, signingPassword)
     sign publishing.publications
 }