diff --git a/apps/insourcing/insourcing-cyclic-cellular-automaton/pom.xml b/apps/insourcing/insourcing-cyclic-cellular-automaton/pom.xml
index 69a67f62..1f7f3709 100644
--- a/apps/insourcing/insourcing-cyclic-cellular-automaton/pom.xml
+++ b/apps/insourcing/insourcing-cyclic-cellular-automaton/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>insourcing</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
         <relativePath>..</relativePath>
     </parent>
 
diff --git a/apps/insourcing/insourcing-diffusion-limited-aggregation/pom.xml b/apps/insourcing/insourcing-diffusion-limited-aggregation/pom.xml
index 53ea7dc8..48183fc0 100644
--- a/apps/insourcing/insourcing-diffusion-limited-aggregation/pom.xml
+++ b/apps/insourcing/insourcing-diffusion-limited-aggregation/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>insourcing</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
         <relativePath>..</relativePath>
     </parent>
 
diff --git a/apps/insourcing/insourcing-kochsnowflake/pom.xml b/apps/insourcing/insourcing-kochsnowflake/pom.xml
index 413a2b06..bb8bca04 100644
--- a/apps/insourcing/insourcing-kochsnowflake/pom.xml
+++ b/apps/insourcing/insourcing-kochsnowflake/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>insourcing</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
         <relativePath>..</relativePath>
     </parent>
 
diff --git a/apps/insourcing/insourcing-mandelbrot-julia/pom.xml b/apps/insourcing/insourcing-mandelbrot-julia/pom.xml
index 26fc8bab..b125b60b 100644
--- a/apps/insourcing/insourcing-mandelbrot-julia/pom.xml
+++ b/apps/insourcing/insourcing-mandelbrot-julia/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>insourcing</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
         <relativePath>..</relativePath>
     </parent>
 
diff --git a/apps/insourcing/insourcing-mandelbrot-zoom/pom.xml b/apps/insourcing/insourcing-mandelbrot-zoom/pom.xml
index d93e1251..3caaf8f2 100644
--- a/apps/insourcing/insourcing-mandelbrot-zoom/pom.xml
+++ b/apps/insourcing/insourcing-mandelbrot-zoom/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>insourcing</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
         <relativePath>..</relativePath>
     </parent>
 
diff --git a/apps/insourcing/insourcing-sierpinskitriangle/pom.xml b/apps/insourcing/insourcing-sierpinskitriangle/pom.xml
index 6f35d529..339e4952 100644
--- a/apps/insourcing/insourcing-sierpinskitriangle/pom.xml
+++ b/apps/insourcing/insourcing-sierpinskitriangle/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>insourcing</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
         <relativePath>..</relativePath>
     </parent>
 
diff --git a/apps/insourcing/insourcing-simulated-evolution/pom.xml b/apps/insourcing/insourcing-simulated-evolution/pom.xml
index 5a84aea4..678c7aa7 100644
--- a/apps/insourcing/insourcing-simulated-evolution/pom.xml
+++ b/apps/insourcing/insourcing-simulated-evolution/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>insourcing</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
         <relativePath>..</relativePath>
     </parent>
 
diff --git a/apps/insourcing/insourcing-turmite/pom.xml b/apps/insourcing/insourcing-turmite/pom.xml
index 73601f27..377f3647 100644
--- a/apps/insourcing/insourcing-turmite/pom.xml
+++ b/apps/insourcing/insourcing-turmite/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>insourcing</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
         <relativePath>..</relativePath>
     </parent>
 
diff --git a/apps/insourcing/insourcing-wator/pom.xml b/apps/insourcing/insourcing-wator/pom.xml
index 7c9d6daa..606eb236 100644
--- a/apps/insourcing/insourcing-wator/pom.xml
+++ b/apps/insourcing/insourcing-wator/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>insourcing</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
         <relativePath>..</relativePath>
     </parent>
 
diff --git a/apps/insourcing/pom.xml b/apps/insourcing/pom.xml
index c16cae12..df311d6d 100644
--- a/apps/insourcing/pom.xml
+++ b/apps/insourcing/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>apps</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
         <relativePath>..</relativePath>
     </parent>
 
diff --git a/apps/legacy/cyclic-cellular-automaton/pom.xml b/apps/legacy/cyclic-cellular-automaton/pom.xml
index cf2ebf00..73bf3d9a 100644
--- a/apps/legacy/cyclic-cellular-automaton/pom.xml
+++ b/apps/legacy/cyclic-cellular-automaton/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>legacy</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
         <relativePath>..</relativePath>
     </parent>
 
diff --git a/apps/legacy/diffusion-limited-aggregation/pom.xml b/apps/legacy/diffusion-limited-aggregation/pom.xml
index a59baff7..0a5fc34b 100644
--- a/apps/legacy/diffusion-limited-aggregation/pom.xml
+++ b/apps/legacy/diffusion-limited-aggregation/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>legacy</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
         <relativePath>..</relativePath>
     </parent>
 
diff --git a/apps/legacy/mandelbrot/pom.xml b/apps/legacy/mandelbrot/pom.xml
index d623bd01..e9194470 100644
--- a/apps/legacy/mandelbrot/pom.xml
+++ b/apps/legacy/mandelbrot/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>legacy</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
         <relativePath>..</relativePath>
     </parent>
 
diff --git a/apps/legacy/pom.xml b/apps/legacy/pom.xml
index 540418fd..c1b8f3ba 100644
--- a/apps/legacy/pom.xml
+++ b/apps/legacy/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>apps</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
         <relativePath>..</relativePath>
     </parent>
 
diff --git a/apps/legacy/simulated-evolution/pom.xml b/apps/legacy/simulated-evolution/pom.xml
index d17e85e5..282b4af1 100644
--- a/apps/legacy/simulated-evolution/pom.xml
+++ b/apps/legacy/simulated-evolution/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>legacy</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
         <relativePath>..</relativePath>
     </parent>
 
diff --git a/apps/pom.xml b/apps/pom.xml
index 211ed9df..addd3e36 100644
--- a/apps/pom.xml
+++ b/apps/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>computer_kurzweil</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
     </parent>
 
     <artifactId>apps</artifactId>
diff --git a/computer-kurzweil-app/pom.xml b/computer-kurzweil-app/pom.xml
index 76ec3d72..17141106 100644
--- a/computer-kurzweil-app/pom.xml
+++ b/computer-kurzweil-app/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>computer_kurzweil</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
     </parent>
 
     <artifactId>computer-kurzweil-app</artifactId>
diff --git a/pom.xml b/pom.xml
index c89c17ee..4700f816 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>org.woehlke.computer.kurzweil</groupId>
     <artifactId>computer_kurzweil</artifactId>
-    <version>2.2.18-SNAPSHOT</version>
+    <version>2.2.18</version>
     <packaging>pom</packaging>
 
     <modules>
@@ -27,7 +27,7 @@
         <connection>scm:git@github.com:Computer-Kurzweil/computer_kurzweil.git</connection>
         <developerConnection>scm:git:git@github.com:Computer-Kurzweil/computer_kurzweil.git</developerConnection>
         <url>https://github.com/Computer-Kurzweil/computer_kurzweil/tree/${project.scm.tag}</url>
-        <tag>head</tag>
+        <tag>v2.2.18</tag>
     </scm>
 
     <organization>
diff --git a/research/java-swing-prototype-intellij/pom.xml b/research/java-swing-prototype-intellij/pom.xml
index 4e22d995..9f106ee5 100644
--- a/research/java-swing-prototype-intellij/pom.xml
+++ b/research/java-swing-prototype-intellij/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>research</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
     </parent>
 
     <artifactId>java-swing-prototype-intellij</artifactId>
diff --git a/research/java-swing-prototype-netbeans/pom.xml b/research/java-swing-prototype-netbeans/pom.xml
index 945e5a36..ad51d4a3 100644
--- a/research/java-swing-prototype-netbeans/pom.xml
+++ b/research/java-swing-prototype-netbeans/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>research</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
     </parent>
 
     <artifactId>java-swing-prototype-netbeans</artifactId>
diff --git a/research/pom.xml b/research/pom.xml
index 3f0b605b..52d3313c 100644
--- a/research/pom.xml
+++ b/research/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.woehlke.computer.kurzweil</groupId>
         <artifactId>computer_kurzweil</artifactId>
-        <version>2.2.18-SNAPSHOT</version>
+        <version>2.2.18</version>
         <relativePath>..</relativePath>
     </parent>