diff --git a/pom.xml b/pom.xml
index 5abff44043..2082f9939b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>net.ripe.db</groupId>
     <artifactId>whois</artifactId>
-    <version>1.92-SNAPSHOT</version>
+    <version>1.91.4</version>
     <packaging>pom</packaging>
 
     <organization>
@@ -96,7 +96,7 @@
 
     <scm>
         <developerConnection>scm:git:ssh://git@github.com/RIPE-NCC/whois.git</developerConnection>
-      <tag>HEAD</tag>
+      <tag>whois-1.91.4</tag>
   </scm>
 
     <distributionManagement>
diff --git a/whois-api/pom.xml b/whois-api/pom.xml
index 5c7a86a2f5..c5f167bd96 100644
--- a/whois-api/pom.xml
+++ b/whois-api/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>net.ripe.db</groupId>
         <artifactId>whois</artifactId>
-        <version>1.92-SNAPSHOT</version>
+        <version>1.91.4</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/whois-client/pom.xml b/whois-client/pom.xml
index df8598f85c..3f3f5e495b 100644
--- a/whois-client/pom.xml
+++ b/whois-client/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>net.ripe.db</groupId>
         <artifactId>whois</artifactId>
-        <version>1.92-SNAPSHOT</version>
+        <version>1.91.4</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/whois-commons/pom.xml b/whois-commons/pom.xml
index 2d81722d77..2c4a2ffdaf 100644
--- a/whois-commons/pom.xml
+++ b/whois-commons/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>net.ripe.db</groupId>
         <artifactId>whois</artifactId>
-        <version>1.92-SNAPSHOT</version>
+        <version>1.91.4</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/whois-db/pom.xml b/whois-db/pom.xml
index 6353299eda..fd5c266ae1 100644
--- a/whois-db/pom.xml
+++ b/whois-db/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>net.ripe.db</groupId>
         <artifactId>whois</artifactId>
-        <version>1.92-SNAPSHOT</version>
+        <version>1.91.4</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/whois-endtoend/pom.xml b/whois-endtoend/pom.xml
index 2344a73ee3..d5e0ccd0a1 100644
--- a/whois-endtoend/pom.xml
+++ b/whois-endtoend/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>net.ripe.db</groupId>
         <artifactId>whois</artifactId>
-        <version>1.92-SNAPSHOT</version>
+        <version>1.91.4</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/whois-nrtm/pom.xml b/whois-nrtm/pom.xml
index 16fd51ad62..4412661f16 100644
--- a/whois-nrtm/pom.xml
+++ b/whois-nrtm/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>net.ripe.db</groupId>
         <artifactId>whois</artifactId>
-        <version>1.92-SNAPSHOT</version>
+        <version>1.91.4</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/whois-query/pom.xml b/whois-query/pom.xml
index ae09aed81d..a60fdccf6c 100644
--- a/whois-query/pom.xml
+++ b/whois-query/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>net.ripe.db</groupId>
         <artifactId>whois</artifactId>
-        <version>1.92-SNAPSHOT</version>
+        <version>1.91.4</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/whois-rpsl/pom.xml b/whois-rpsl/pom.xml
index 37e73e3e52..3c4cf5d7a5 100644
--- a/whois-rpsl/pom.xml
+++ b/whois-rpsl/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>net.ripe.db</groupId>
         <artifactId>whois</artifactId>
-        <version>1.92-SNAPSHOT</version>
+        <version>1.91.4</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/whois-scheduler/pom.xml b/whois-scheduler/pom.xml
index ae16eee69e..0aedf56192 100644
--- a/whois-scheduler/pom.xml
+++ b/whois-scheduler/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>net.ripe.db</groupId>
         <artifactId>whois</artifactId>
-        <version>1.92-SNAPSHOT</version>
+        <version>1.91.4</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>
diff --git a/whois-update/pom.xml b/whois-update/pom.xml
index 31c5b1a328..15aaf84b1d 100644
--- a/whois-update/pom.xml
+++ b/whois-update/pom.xml
@@ -3,7 +3,7 @@
     <parent>
         <groupId>net.ripe.db</groupId>
         <artifactId>whois</artifactId>
-        <version>1.92-SNAPSHOT</version>
+        <version>1.91.4</version>
     </parent>
 
     <modelVersion>4.0.0</modelVersion>