diff --git a/EmbedSingularityExample/pom.xml b/EmbedSingularityExample/pom.xml
index fa8a53f167..d99205212d 100644
--- a/EmbedSingularityExample/pom.xml
+++ b/EmbedSingularityExample/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.hubspot</groupId>
     <artifactId>Singularity</artifactId>
-    <version>0.19.0-SNAPSHOT</version>
+    <version>0.18.1</version>
   </parent>
 
   <artifactId>EmbedSingularityExample</artifactId>
diff --git a/SingularityBase/pom.xml b/SingularityBase/pom.xml
index fbef8cca9e..20f0fcbf01 100644
--- a/SingularityBase/pom.xml
+++ b/SingularityBase/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.hubspot</groupId>
     <artifactId>Singularity</artifactId>
-    <version>0.19.0-SNAPSHOT</version>
+    <version>0.18.1</version>
   </parent>
 
   <artifactId>SingularityBase</artifactId>
diff --git a/SingularityClient/pom.xml b/SingularityClient/pom.xml
index 4df8342b0b..c31b9b380e 100644
--- a/SingularityClient/pom.xml
+++ b/SingularityClient/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.hubspot</groupId>
     <artifactId>Singularity</artifactId>
-    <version>0.19.0-SNAPSHOT</version>
+    <version>0.18.1</version>
   </parent>
 
   <artifactId>SingularityClient</artifactId>
diff --git a/SingularityExecutor/pom.xml b/SingularityExecutor/pom.xml
index a52c94e644..c643d3277d 100644
--- a/SingularityExecutor/pom.xml
+++ b/SingularityExecutor/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.hubspot</groupId>
     <artifactId>Singularity</artifactId>
-    <version>0.19.0-SNAPSHOT</version>
+    <version>0.18.1</version>
   </parent>
 
   <artifactId>SingularityExecutor</artifactId>
diff --git a/SingularityExecutorCleanup/pom.xml b/SingularityExecutorCleanup/pom.xml
index 38b5f01c00..7f4d956cba 100644
--- a/SingularityExecutorCleanup/pom.xml
+++ b/SingularityExecutorCleanup/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.hubspot</groupId>
     <artifactId>Singularity</artifactId>
-    <version>0.19.0-SNAPSHOT</version>
+    <version>0.18.1</version>
   </parent>
 
   <artifactId>SingularityExecutorCleanup</artifactId>
diff --git a/SingularityMesosClient/pom.xml b/SingularityMesosClient/pom.xml
index 166733beb4..9e961f8c67 100644
--- a/SingularityMesosClient/pom.xml
+++ b/SingularityMesosClient/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.hubspot</groupId>
     <artifactId>Singularity</artifactId>
-    <version>0.19.0-SNAPSHOT</version>
+    <version>0.18.1</version>
   </parent>
 
   <artifactId>SingularityMesosClient</artifactId>
diff --git a/SingularityRunnerBase/pom.xml b/SingularityRunnerBase/pom.xml
index 54fc9aa0f7..9b5bbf5d56 100644
--- a/SingularityRunnerBase/pom.xml
+++ b/SingularityRunnerBase/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.hubspot</groupId>
     <artifactId>Singularity</artifactId>
-    <version>0.19.0-SNAPSHOT</version>
+    <version>0.18.1</version>
   </parent>
 
   <artifactId>SingularityRunnerBase</artifactId>
diff --git a/SingularityS3Base/pom.xml b/SingularityS3Base/pom.xml
index a3665963c7..afbcfed8a2 100644
--- a/SingularityS3Base/pom.xml
+++ b/SingularityS3Base/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.hubspot</groupId>
     <artifactId>Singularity</artifactId>
-    <version>0.19.0-SNAPSHOT</version>
+    <version>0.18.1</version>
   </parent>
 
   <artifactId>SingularityS3Base</artifactId>
diff --git a/SingularityS3Downloader/pom.xml b/SingularityS3Downloader/pom.xml
index 45542ab391..6bcf984393 100644
--- a/SingularityS3Downloader/pom.xml
+++ b/SingularityS3Downloader/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.hubspot</groupId>
     <artifactId>Singularity</artifactId>
-    <version>0.19.0-SNAPSHOT</version>
+    <version>0.18.1</version>
   </parent>
 
   <artifactId>SingularityS3Downloader</artifactId>
diff --git a/SingularityS3Uploader/pom.xml b/SingularityS3Uploader/pom.xml
index 3bd1a201f2..a38c961e59 100644
--- a/SingularityS3Uploader/pom.xml
+++ b/SingularityS3Uploader/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.hubspot</groupId>
     <artifactId>Singularity</artifactId>
-    <version>0.19.0-SNAPSHOT</version>
+    <version>0.18.1</version>
   </parent>
 
   <artifactId>SingularityS3Uploader</artifactId>
diff --git a/SingularityService/pom.xml b/SingularityService/pom.xml
index fac02e06c8..ba22269472 100644
--- a/SingularityService/pom.xml
+++ b/SingularityService/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.hubspot</groupId>
     <artifactId>Singularity</artifactId>
-    <version>0.19.0-SNAPSHOT</version>
+    <version>0.18.1</version>
   </parent>
 
   <artifactId>SingularityService</artifactId>
diff --git a/SingularityServiceBase/pom.xml b/SingularityServiceBase/pom.xml
index 958fdfcd10..71e7563e8f 100644
--- a/SingularityServiceBase/pom.xml
+++ b/SingularityServiceBase/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.hubspot</groupId>
     <artifactId>Singularity</artifactId>
-    <version>0.19.0-SNAPSHOT</version>
+    <version>0.18.1</version>
   </parent>
 
   <artifactId>SingularityServiceBase</artifactId>
diff --git a/SingularityServiceIntegrationTests/pom.xml b/SingularityServiceIntegrationTests/pom.xml
index e1ae8bbcbd..4fbe645cb3 100644
--- a/SingularityServiceIntegrationTests/pom.xml
+++ b/SingularityServiceIntegrationTests/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.hubspot</groupId>
     <artifactId>Singularity</artifactId>
-    <version>0.19.0-SNAPSHOT</version>
+    <version>0.18.1</version>
   </parent>
 
   <artifactId>SingularityServiceIntegrationTests</artifactId>
diff --git a/SingularitySwagger/pom.xml b/SingularitySwagger/pom.xml
index d82b92a80a..c9c6a7b6a6 100644
--- a/SingularitySwagger/pom.xml
+++ b/SingularitySwagger/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.hubspot</groupId>
     <artifactId>Singularity</artifactId>
-    <version>0.19.0-SNAPSHOT</version>
+    <version>0.18.1</version>
   </parent>
 
   <artifactId>SingularitySwagger</artifactId>
diff --git a/SingularityUI/pom.xml b/SingularityUI/pom.xml
index 4ca0717de9..fe520d6d3f 100644
--- a/SingularityUI/pom.xml
+++ b/SingularityUI/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.hubspot</groupId>
         <artifactId>Singularity</artifactId>
-        <version>0.19.0-SNAPSHOT</version>
+        <version>0.18.1</version>
     </parent>
 
     <properties>
diff --git a/pom.xml b/pom.xml
index cdf626f607..78f2c4c959 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,14 +9,14 @@
   </parent>
 
   <artifactId>Singularity</artifactId>
-  <version>0.19.0-SNAPSHOT</version>
+  <version>0.18.1</version>
   <packaging>pom</packaging>
 
   <scm>
     <connection>scm:git:git@github.com:HubSpot/Singularity.git</connection>
     <developerConnection>scm:git:ssh://git@github.com/HubSpot/Singularity.git</developerConnection>
     <url>git@github.com:HubSpot/Singularity.git</url>
-    <tag>HEAD</tag>
+    <tag>Singularity-0.18.1</tag>
   </scm>
 
   <developers>