diff --git a/analysis/pom.xml b/analysis/pom.xml
index c9ec9f54..8e9f2c70 100644
--- a/analysis/pom.xml
+++ b/analysis/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>org.tinfour</groupId>
     <artifactId>Tinfour</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
   
   <artifactId>TinfourAnalysis</artifactId>
diff --git a/core/pom.xml b/core/pom.xml
index 0ee5b506..f3e7852c 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>org.tinfour</groupId>
     <artifactId>Tinfour</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
 
   <artifactId>TinfourCore</artifactId>
diff --git a/demo/pom.xml b/demo/pom.xml
index 2db03389..4e6386c8 100644
--- a/demo/pom.xml
+++ b/demo/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>org.tinfour</groupId>
     <artifactId>Tinfour</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
 
   <artifactId>TinfourDemo</artifactId>
diff --git a/gis/pom.xml b/gis/pom.xml
index c9755411..7fcbc948 100644
--- a/gis/pom.xml
+++ b/gis/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>org.tinfour</groupId>
     <artifactId>Tinfour</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
 
   <artifactId>TinfourGis</artifactId>
diff --git a/pom.xml b/pom.xml
index 963a1cf3..d4dc2881 100644
--- a/pom.xml
+++ b/pom.xml
@@ -9,7 +9,7 @@
 
   <groupId>org.tinfour</groupId>
   <artifactId>Tinfour</artifactId>
-  <version>2.1.1-SNAPSHOT</version>
+  <version>2.1.1</version>
   <packaging>pom</packaging>
   
   <name>Tinfour</name>
diff --git a/release.properties b/release.properties
deleted file mode 100644
index df962372..00000000
--- a/release.properties
+++ /dev/null
@@ -1,11 +0,0 @@
-#release configuration
-#Sat Jul 20 23:03:07 EDT 2019
-scm.tagNameFormat=@{project.artifactId}-@{project.version}
-pushChanges=true
-scm.url=scm\:git\:git@github.com\:gwlucastrig/Tinfour.git
-preparationGoals=clean verify
-projectVersionPolicyId=default
-remoteTagging=true
-scm.commentPrefix=[maven-release-plugin] 
-exec.snapshotReleasePluginAllowed=false
-completedPhase=check-poms
diff --git a/svm/pom.xml b/svm/pom.xml
index e6a5e4c7..4c3b259d 100644
--- a/svm/pom.xml
+++ b/svm/pom.xml
@@ -10,7 +10,7 @@
   <parent>
     <groupId>org.tinfour</groupId>
     <artifactId>Tinfour</artifactId>
-    <version>2.1.1-SNAPSHOT</version>
+    <version>2.1.1</version>
   </parent>
 
   <artifactId>TinfourSvm</artifactId>