diff --git a/flake.lock b/flake.lock
index 11dd200..00fcaf3 100644
--- a/flake.lock
+++ b/flake.lock
@@ -1018,17 +1018,17 @@
     "interchain-security-src": {
       "flake": false,
       "locked": {
-        "lastModified": 1725434145,
-        "narHash": "sha256-GiaTXIYG0ZM5mScV7bEOLf311yYCy/d/YslRosnnzf0=",
+        "lastModified": 1726849313,
+        "narHash": "sha256-1WEvV3LoXfGvZC9fXOb8mBLKVGCVBiXZcwUewSPit+8=",
         "owner": "cosmos",
         "repo": "interchain-security",
-        "rev": "7301916eeafa3700a03d5ddf47a0779801c6d3a1",
+        "rev": "1e60637f9d8f3505208282416abfbb87fabc4795",
         "type": "github"
       },
       "original": {
         "owner": "cosmos",
+        "ref": "v6.1.0",
         "repo": "interchain-security",
-        "rev": "7301916eeafa3700a03d5ddf47a0779801c6d3a1",
         "type": "github"
       }
     },
diff --git a/flake.nix b/flake.nix
index 19c3aaf..c18c4b7 100644
--- a/flake.nix
+++ b/flake.nix
@@ -268,7 +268,7 @@
     ignite-cli-src.url = "github:ignite/cli/v0.24.0";
     ignite-cli-src.flake = false;
 
-    interchain-security-src.url = "github:cosmos/interchain-security/7301916eeafa3700a03d5ddf47a0779801c6d3a1";
+    interchain-security-src.url = "github:cosmos/interchain-security/v6.1.0";
     interchain-security-src.flake = false;
 
     stride-src.url = "github:Stride-Labs/stride/v23.0.1";
diff --git a/packages/interchain-security.nix b/packages/interchain-security.nix
index fc79618..f966609 100644
--- a/packages/interchain-security.nix
+++ b/packages/interchain-security.nix
@@ -5,10 +5,10 @@
 mkCosmosGoApp {
   name = "interchain-security";
   appName = "interchain-security";
-  version = "v5.5.0-pre";
+  version = "v5.1.0";
   src = interchain-security-src;
   rev = interchain-security-src.rev;
-  vendorHash = "sha256-JNyyPbp8XD1gEoyCO7sMB1z7HbER6lfdfnAIq6kiQkQ=";
+  vendorHash = "sha256-hBKJA5kIw7aHicCcmvzm9pXb+WPjbx5mq7UDPkLLuJ4=";
   goVersion = "1.22";
   tags = ["netgo"];
   engine = "cometbft/cometbft";