diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8816055..5387cdc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,3 +9,5 @@ on:
 jobs:
   build:
     uses: status-im/nimbus-common-workflow/.github/workflows/common.yml@main
+    with:
+      nim-versions: '["version-2-0", "version-2-2", "devel"]'
diff --git a/json_rpc.nimble b/json_rpc.nimble
index be784a4..1b13015 100644
--- a/json_rpc.nimble
+++ b/json_rpc.nimble
@@ -17,7 +17,7 @@ license       = "Apache License 2.0"
 skipDirs      = @["tests"]
 
 ### Dependencies
-requires "nim >= 1.6.0",
+requires "nim >= 2.0.10",
          "stew",
          "nimcrypto",
          "stint",
@@ -44,8 +44,7 @@ proc build(args, path: string) =
 
 proc run(args, path: string) =
   build args & " --mm:refc -r", path
-  if (NimMajor, NimMinor) > (1, 6):
-    build args & " --mm:orc -r", path
+  build args & " --mm:orc -r", path
 
 proc buildOnly(args, path: string) =
   build args & " --mm:refc", path