diff --git a/build.gradle b/build.gradle
index 68a503520e..87085effb7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -108,7 +108,7 @@ subprojects {
     apply plugin: 'de.thetaphi.forbiddenapis'
     apply plugin: 'com.github.spotbugs'
 
-    version = '5.1.1-SNAPSHOT'
+    version = '5.1.0'
     ext {
         bouncyCastleVersion = '1.69'
         commonsCodecVersion = '1.15'
diff --git a/build.xml b/build.xml
index 7311d39958..fdf29b2a7b 100644
--- a/build.xml
+++ b/build.xml
@@ -42,8 +42,8 @@ under the License.
 
     <description>The Apache POI project Ant build.</description>
 
-    <property name="version.id" value="5.1.1-SNAPSHOT"/>
-    <property name="release.rc" value="RC1"/>
+    <property name="version.id" value="5.1.0"/>
+    <property name="release.rc" value=""/>
 
     <property environment="env"/>
     <!-- the repository to download jars from -->
diff --git a/osgi/pom.xml b/osgi/pom.xml
index 461f040111..a1397fb48a 100644
--- a/osgi/pom.xml
+++ b/osgi/pom.xml
@@ -24,12 +24,12 @@
     <groupId>org.apache.poi</groupId>
     <artifactId>poi-bundle</artifactId>
     <packaging>bundle</packaging>
-    <version>5.1.1-SNAPSHOT</version>
+    <version>5.1.0</version>
 
     <name>Apache POI OSGi bundle</name>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <poi.version>5.1.1-SNAPSHOT</poi.version>
+        <poi.version>5.1.0</poi.version>
         <pax.exam.version>4.12.0</pax.exam.version>
     </properties>