diff --git a/pom.xml b/pom.xml
index e7db149fed..2e3221eba4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -11,7 +11,7 @@
 
   <artifactId>styx</artifactId>
   <packaging>pom</packaging>
-  <version>2.1.166-SNAPSHOT</version>
+  <version>2.1.166</version>
 
   <properties>
     <maven.compiler.version>3.8.0</maven.compiler.version>
@@ -103,7 +103,7 @@
     <url>https://github.com/spotify/styx</url>
     <connection>scm:git:git@github.com:spotify/styx.git</connection>
     <developerConnection>scm:git:git@github.com:spotify/styx.git</developerConnection>
-    <tag>HEAD</tag>
+    <tag>v2.1.166</tag>
   </scm>
 
   <dependencyManagement>
diff --git a/styx-api-service/pom.xml b/styx-api-service/pom.xml
index a0f8dd7baa..919efa09d6 100644
--- a/styx-api-service/pom.xml
+++ b/styx-api-service/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.spotify</groupId>
     <artifactId>styx</artifactId>
-    <version>2.1.166-SNAPSHOT</version>
+    <version>2.1.166</version>
   </parent>
 
   <name>Spotify Styx API Service</name>
diff --git a/styx-cli-unshaded/pom.xml b/styx-cli-unshaded/pom.xml
index f20abd976a..f08db2931b 100644
--- a/styx-cli-unshaded/pom.xml
+++ b/styx-cli-unshaded/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.spotify</groupId>
     <artifactId>styx</artifactId>
-    <version>2.1.166-SNAPSHOT</version>
+    <version>2.1.166</version>
   </parent>
 
   <name>Spotify Styx CLI</name>
diff --git a/styx-cli/pom.xml b/styx-cli/pom.xml
index 00a420e9d4..22697bf6db 100644
--- a/styx-cli/pom.xml
+++ b/styx-cli/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.spotify</groupId>
     <artifactId>styx</artifactId>
-    <version>2.1.166-SNAPSHOT</version>
+    <version>2.1.166</version>
   </parent>
 
   <name>Spotify Styx CLI (Shaded)</name>
diff --git a/styx-client/pom.xml b/styx-client/pom.xml
index 338938c24d..39c67facb8 100644
--- a/styx-client/pom.xml
+++ b/styx-client/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <artifactId>styx</artifactId>
     <groupId>com.spotify</groupId>
-    <version>2.1.166-SNAPSHOT</version>
+    <version>2.1.166</version>
   </parent>
 
   <name>Spotify Styx API Client</name>
diff --git a/styx-common/pom.xml b/styx-common/pom.xml
index f9f51a85b1..363be97147 100644
--- a/styx-common/pom.xml
+++ b/styx-common/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.spotify</groupId>
     <artifactId>styx</artifactId>
-    <version>2.1.166-SNAPSHOT</version>
+    <version>2.1.166</version>
   </parent>
 
   <name>Spotify Styx Common</name>
diff --git a/styx-e2e-test/pom.xml b/styx-e2e-test/pom.xml
index 6f76ca5e1a..c37977a6a9 100644
--- a/styx-e2e-test/pom.xml
+++ b/styx-e2e-test/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.spotify</groupId>
     <artifactId>styx</artifactId>
-    <version>2.1.166-SNAPSHOT</version>
+    <version>2.1.166</version>
   </parent>
 
   <name>Spotify End-to-End Integration Tests</name>
diff --git a/styx-flyte-client/pom.xml b/styx-flyte-client/pom.xml
index e30c6f97b0..a6824cab5f 100644
--- a/styx-flyte-client/pom.xml
+++ b/styx-flyte-client/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>com.spotify</groupId>
     <artifactId>styx</artifactId>
-    <version>2.1.166-SNAPSHOT</version>
+    <version>2.1.166</version>
   </parent>
 
 
diff --git a/styx-report/pom.xml b/styx-report/pom.xml
index 772aba6a4a..8a7ab6e45b 100644
--- a/styx-report/pom.xml
+++ b/styx-report/pom.xml
@@ -3,7 +3,7 @@
   <parent>
     <artifactId>styx</artifactId>
     <groupId>com.spotify</groupId>
-    <version>2.1.166-SNAPSHOT</version>
+    <version>2.1.166</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/styx-scheduler-service/pom.xml b/styx-scheduler-service/pom.xml
index 8d542398f2..6e40141239 100644
--- a/styx-scheduler-service/pom.xml
+++ b/styx-scheduler-service/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.spotify</groupId>
     <artifactId>styx</artifactId>
-    <version>2.1.166-SNAPSHOT</version>
+    <version>2.1.166</version>
   </parent>
 
   <name>Spotify Styx Scheduler Service</name>
diff --git a/styx-service-common/pom.xml b/styx-service-common/pom.xml
index 58bcd01852..fe2cf44428 100644
--- a/styx-service-common/pom.xml
+++ b/styx-service-common/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.spotify</groupId>
     <artifactId>styx</artifactId>
-    <version>2.1.166-SNAPSHOT</version>
+    <version>2.1.166</version>
   </parent>
 
   <name>Spotify Styx Service Common</name>
diff --git a/styx-standalone-service/pom.xml b/styx-standalone-service/pom.xml
index 8a4f320f3e..91c4598dfe 100644
--- a/styx-standalone-service/pom.xml
+++ b/styx-standalone-service/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <artifactId>styx</artifactId>
     <groupId>com.spotify</groupId>
-    <version>2.1.166-SNAPSHOT</version>
+    <version>2.1.166</version>
   </parent>
   <modelVersion>4.0.0</modelVersion>
 
diff --git a/styx-test/pom.xml b/styx-test/pom.xml
index ab6d2daeb3..387b22e651 100644
--- a/styx-test/pom.xml
+++ b/styx-test/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.spotify</groupId>
     <artifactId>styx</artifactId>
-    <version>2.1.166-SNAPSHOT</version>
+    <version>2.1.166</version>
   </parent>
 
   <name>Spotify Styx Testing Utilities</name>