diff --git a/pkgs/development/tools/coder/default.nix b/pkgs/development/tools/coder/default.nix
index 155f2939cf78..a1cbbf93d07b 100644
--- a/pkgs/development/tools/coder/default.nix
+++ b/pkgs/development/tools/coder/default.nix
@@ -13,15 +13,6 @@ let
 
   channels = {
     stable = {
-      version = "2.10.3";
-      hash = {
-        x86_64-linux = "sha256-FjvGGJqo1/LskZ6RteaE2q+W6K1zi8mphAD+TzYp6K4=";
-        x86_64-darwin = "sha256-/Z8nOqeFzBfauGDGZtrBheSbSQhtWI3HuE36o0cPJ4Y=";
-        aarch64-linux = "sha256-RI6FqL5GXFCwvgZAO2/evPfZAsO8NatRfTRrkL7jYt0=";
-        aarch64-darwin = "sha256-x1Wf6tyZPUo1y2IdL15v8SjYgYWuiI0wL94oi9Uak6w=";
-      };
-    };
-    mainline = {
       version = "2.11.2";
       hash = {
         x86_64-linux = "sha256-kvQPrYGDkfzTOb3c9f3VNdg3oltKmm1Z4pXeHJ9LIyo=";
@@ -30,6 +21,15 @@ let
         aarch64-darwin = "sha256-oM+dEUYNUcYHemDWYBf5mqUo3aHXEu6LUuLOboGfTrQ=";
       };
     };
+    mainline = {
+      version = "2.12.1";
+      hash = {
+        x86_64-linux = "sha256-YOm2qpw9c5L0bwcodR0quUO2d0eRqDBeUfGB6bZNC9I=";
+        x86_64-darwin = "sha256-ePpwnXoVQby0l4Az8OtygPBpXumjIR8MaDVPH4FzrwM=";
+        aarch64-linux = "sha256-ZPAWzLjtJsgtcMT+w2n8o4cQtQ7HXrL+EejOib/Ab3c=";
+        aarch64-darwin = "sha256-ZcJiLLcZcge0MXiuQH4slAqxXLuytdHL+LZfUNx25jY=";
+      };
+    };
   };
 in
 stdenvNoCC.mkDerivation (finalAttrs: {