diff --git a/benchmarks/pom.xml b/benchmarks/pom.xml
index 2b29f2277..ae92abfe0 100644
--- a/benchmarks/pom.xml
+++ b/benchmarks/pom.xml
@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.tinylog</groupId>
 		<artifactId>parent</artifactId>
-		<version>2.2-SNAPSHOT</version>
+		<version>2.2.0-M1</version>
 	</parent>
 
 	<artifactId>benchmarks</artifactId>
diff --git a/jboss-tinylog/pom.xml b/jboss-tinylog/pom.xml
index d7f6cb727..d3d6a62a9 100644
--- a/jboss-tinylog/pom.xml
+++ b/jboss-tinylog/pom.xml
@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.tinylog</groupId>
 		<artifactId>parent</artifactId>
-		<version>2.2-SNAPSHOT</version>
+		<version>2.2.0-M1</version>
 	</parent>
 
 	<artifactId>jboss-tinylog</artifactId>
diff --git a/jcl-tinylog/pom.xml b/jcl-tinylog/pom.xml
index 39a914f35..2415e59f5 100644
--- a/jcl-tinylog/pom.xml
+++ b/jcl-tinylog/pom.xml
@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.tinylog</groupId>
 		<artifactId>parent</artifactId>
-		<version>2.2-SNAPSHOT</version>
+		<version>2.2.0-M1</version>
 	</parent>
 
 	<artifactId>jcl-tinylog</artifactId>
diff --git a/jul-tinylog/pom.xml b/jul-tinylog/pom.xml
index 5a44a2a18..226acfe25 100644
--- a/jul-tinylog/pom.xml
+++ b/jul-tinylog/pom.xml
@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.tinylog</groupId>
 		<artifactId>parent</artifactId>
-		<version>2.2-SNAPSHOT</version>
+		<version>2.2.0-M1</version>
 	</parent>
 
 	<artifactId>jul-tinylog</artifactId>
diff --git a/log4j1.2-api/pom.xml b/log4j1.2-api/pom.xml
index 976715250..371be31ab 100644
--- a/log4j1.2-api/pom.xml
+++ b/log4j1.2-api/pom.xml
@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.tinylog</groupId>
 		<artifactId>parent</artifactId>
-		<version>2.2-SNAPSHOT</version>
+		<version>2.2.0-M1</version>
 	</parent>
 
 	<artifactId>log4j1.2-api</artifactId>
diff --git a/pom.xml b/pom.xml
index ce8ffe713..94088b7f1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
 
 	<groupId>org.tinylog</groupId>
 	<artifactId>parent</artifactId>
-	<version>2.2-SNAPSHOT</version>
+	<version>2.2.0-M1</version>
 
 	<modules>
 		<module>test-core</module>
diff --git a/slf4j-tinylog/pom.xml b/slf4j-tinylog/pom.xml
index c70d991cc..13988973a 100644
--- a/slf4j-tinylog/pom.xml
+++ b/slf4j-tinylog/pom.xml
@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.tinylog</groupId>
 		<artifactId>parent</artifactId>
-		<version>2.2-SNAPSHOT</version>
+		<version>2.2.0-M1</version>
 	</parent>
 
 	<artifactId>slf4j-tinylog</artifactId>
diff --git a/test-core/pom.xml b/test-core/pom.xml
index dec49af0d..2a06c4621 100644
--- a/test-core/pom.xml
+++ b/test-core/pom.xml
@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.tinylog</groupId>
 		<artifactId>parent</artifactId>
-		<version>2.2-SNAPSHOT</version>
+		<version>2.2.0-M1</version>
 	</parent>
 
 	<artifactId>test-core</artifactId>
diff --git a/tinylog-api-kotlin/pom.xml b/tinylog-api-kotlin/pom.xml
index bdd0f7dce..62f1b8a81 100644
--- a/tinylog-api-kotlin/pom.xml
+++ b/tinylog-api-kotlin/pom.xml
@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.tinylog</groupId>
 		<artifactId>parent</artifactId>
-		<version>2.2-SNAPSHOT</version>
+		<version>2.2.0-M1</version>
 	</parent>
 
 	<artifactId>tinylog-api-kotlin</artifactId>
diff --git a/tinylog-api-scala/pom.xml b/tinylog-api-scala/pom.xml
index a81862138..a1c757943 100644
--- a/tinylog-api-scala/pom.xml
+++ b/tinylog-api-scala/pom.xml
@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.tinylog</groupId>
 		<artifactId>parent</artifactId>
-		<version>2.2-SNAPSHOT</version>
+		<version>2.2.0-M1</version>
 	</parent>
 
 	<artifactId>tinylog-api-scala_2.12</artifactId>
diff --git a/tinylog-api/pom.xml b/tinylog-api/pom.xml
index 098bc5000..5a76e5b34 100644
--- a/tinylog-api/pom.xml
+++ b/tinylog-api/pom.xml
@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.tinylog</groupId>
 		<artifactId>parent</artifactId>
-		<version>2.2-SNAPSHOT</version>
+		<version>2.2.0-M1</version>
 	</parent>
 
 	<artifactId>tinylog-api</artifactId>
diff --git a/tinylog-impl/pom.xml b/tinylog-impl/pom.xml
index 066b44ac3..661e803f6 100644
--- a/tinylog-impl/pom.xml
+++ b/tinylog-impl/pom.xml
@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.tinylog</groupId>
 		<artifactId>parent</artifactId>
-		<version>2.2-SNAPSHOT</version>
+		<version>2.2.0-M1</version>
 	</parent>
 
 	<artifactId>tinylog-impl</artifactId>
diff --git a/tinylog-jboss/pom.xml b/tinylog-jboss/pom.xml
index 1ce60664d..2d1251e46 100644
--- a/tinylog-jboss/pom.xml
+++ b/tinylog-jboss/pom.xml
@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.tinylog</groupId>
 		<artifactId>parent</artifactId>
-		<version>2.2-SNAPSHOT</version>
+		<version>2.2.0-M1</version>
 	</parent>
 
 	<artifactId>tinylog-jboss</artifactId>
diff --git a/tinylog-jul/pom.xml b/tinylog-jul/pom.xml
index 4e3da8bce..d4e9bc4bf 100644
--- a/tinylog-jul/pom.xml
+++ b/tinylog-jul/pom.xml
@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.tinylog</groupId>
 		<artifactId>parent</artifactId>
-		<version>2.2-SNAPSHOT</version>
+		<version>2.2.0-M1</version>
 	</parent>
 
 	<artifactId>tinylog-jul</artifactId>
diff --git a/tinylog1.3-api/pom.xml b/tinylog1.3-api/pom.xml
index 9defe5d07..06fcaf50c 100644
--- a/tinylog1.3-api/pom.xml
+++ b/tinylog1.3-api/pom.xml
@@ -10,7 +10,7 @@
 	<parent>
 		<groupId>org.tinylog</groupId>
 		<artifactId>parent</artifactId>
-		<version>2.2-SNAPSHOT</version>
+		<version>2.2.0-M1</version>
 	</parent>
 
 	<artifactId>tinylog1.3-api</artifactId>