diff --git a/flake.lock b/flake.lock
index e3bb463..d52f062 100644
--- a/flake.lock
+++ b/flake.lock
@@ -56,15 +56,16 @@
         ]
       },
       "locked": {
-        "lastModified": 1725617608,
-        "narHash": "sha256-vW/6uoaXKYYph1JMGzhQHYvSAfzh8IfafujkDs+NNac=",
-        "owner": "casper-network",
+        "lastModified": 1725878990,
+        "narHash": "sha256-0OiJPOt9E7qPZ9Xg0iim9eDLdPS+dkLk/E1uznbBIQ8=",
+        "owner": "cspr-rad",
         "repo": "cctl",
-        "rev": "b528409695b12c27c6e0d888732d85c2af042a1a",
+        "rev": "034fb32a50a5576f59ecdc7854d968d8a94d115d",
         "type": "github"
       },
       "original": {
-        "owner": "casper-network",
+        "owner": "cspr-rad",
+        "ref": "use-client-feat-2.0",
         "repo": "cctl",
         "type": "github"
       }
@@ -96,11 +97,11 @@
         "rust-overlay": "rust-overlay"
       },
       "locked": {
-        "lastModified": 1724854505,
-        "narHash": "sha256-ax1Jxgd47kmK6ZY7lm0KheDLm6DyqZRZlGY+3f9XYWU=",
+        "lastModified": 1725878521,
+        "narHash": "sha256-pUTxnEs+1SRvZa9eILOLQ94U6BMwIqddkPoHW3PS/0c=",
         "owner": "cspr-rad",
         "repo": "csprpkgs",
-        "rev": "3bc835d3b73a5d5a5829f3b8506f51a9cd098abd",
+        "rev": "67c6cecc5590b4ddb00db5e6c33566861b85418b",
         "type": "github"
       },
       "original": {
@@ -225,11 +226,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1724015816,
-        "narHash": "sha256-hVESnM7Eiz93+4DeiE0a1TwMeaeph1ytRJ5QtqxYRWg=",
+        "lastModified": 1725534445,
+        "narHash": "sha256-Yd0FK9SkWy+ZPuNqUgmVPXokxDgMJoGuNpMEtkfcf84=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "9aa35efbea27d320d0cdc5f922f0890812affb60",
+        "rev": "9bb1e7571aadf31ddb4af77fc64b2d59580f9a39",
         "type": "github"
       },
       "original": {
diff --git a/flake.nix b/flake.nix
index 1ba4ef2..fd09a11 100644
--- a/flake.nix
+++ b/flake.nix
@@ -28,7 +28,7 @@
     advisory-db.url = "github:rustsec/advisory-db";
     advisory-db.flake = false;
     # with casper-node 2.0.0-rc4 https://github.com/casper-network/cctl/pull/44/commits/058de6887c691dac0b20284fba1f78bcd39187ef
-    cctl.url = "github:casper-network/cctl";
+    cctl.url = "github:cspr-rad/cctl/use-client-feat-2.0";
     csprpkgs.follows = "cctl/csprpkgs";
   };