diff --git a/pom.xml b/pom.xml
index a04e859df..bd6de00de 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,7 +10,7 @@
 
     <groupId>io.wren</groupId>
     <artifactId>wren-root</artifactId>
-    <version>0.9.1-SNAPSHOT</version>
+    <version>0.9.1</version>
     <packaging>pom</packaging>
 
     <name>WrenEngine</name>
@@ -35,7 +35,7 @@
     </modules>
 
     <scm>
-        <tag>HEAD</tag>
+        <tag>0.9.1</tag>
     </scm>
 
     <distributionManagement>
diff --git a/trino-parser/pom.xml b/trino-parser/pom.xml
index f87f00f6d..bc4861e0d 100644
--- a/trino-parser/pom.xml
+++ b/trino-parser/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.wren</groupId>
         <artifactId>wren-root</artifactId>
-        <version>0.9.1-SNAPSHOT</version>
+        <version>0.9.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/wren-base/pom.xml b/wren-base/pom.xml
index 58f788751..6c9036fd0 100644
--- a/wren-base/pom.xml
+++ b/wren-base/pom.xml
@@ -18,7 +18,7 @@
     <parent>
         <groupId>io.wren</groupId>
         <artifactId>wren-root</artifactId>
-        <version>0.9.1-SNAPSHOT</version>
+        <version>0.9.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/wren-main/pom.xml b/wren-main/pom.xml
index b0bfe0d2a..7861e8220 100644
--- a/wren-main/pom.xml
+++ b/wren-main/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.wren</groupId>
         <artifactId>wren-root</artifactId>
-        <version>0.9.1-SNAPSHOT</version>
+        <version>0.9.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/wren-server/pom.xml b/wren-server/pom.xml
index 672513255..27d66e54b 100644
--- a/wren-server/pom.xml
+++ b/wren-server/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>io.wren</groupId>
         <artifactId>wren-root</artifactId>
-        <version>0.9.1-SNAPSHOT</version>
+        <version>0.9.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>
 
diff --git a/wren-tests/pom.xml b/wren-tests/pom.xml
index 07900792a..29434374c 100644
--- a/wren-tests/pom.xml
+++ b/wren-tests/pom.xml
@@ -18,7 +18,7 @@
     <parent>
         <groupId>io.wren</groupId>
         <artifactId>wren-root</artifactId>
-        <version>0.9.1-SNAPSHOT</version>
+        <version>0.9.1</version>
         <relativePath>../pom.xml</relativePath>
     </parent>