diff --git a/bucket/nim.json b/bucket/nim.json
index 0336ab3e9b..9db23a0789 100644
--- a/bucket/nim.json
+++ b/bucket/nim.json
@@ -1,20 +1,20 @@
 {
-    "version": "1.6.4",
+    "version": "1.6.6",
     "description": "A statically typed compiled systems programming language, which combines successful concepts from mature languages like Python, Ada and Modula.",
     "homepage": "https://nim-lang.org/",
     "license": "MIT",
     "depends": "gcc",
     "architecture": {
         "64bit": {
-            "url": "https://nim-lang.org/download/nim-1.6.4_x64.zip",
-            "hash": "0422bc6c7b30b08720eea4c7c6bfe0818979d9990b95b42e434df9c606a73e17"
+            "url": "https://nim-lang.org/download/nim-1.6.6_x64.zip",
+            "hash": "4f3eb453565ff2e65c6d726787c716af39b17859c14497636606d69d63876f18"
         },
         "32bit": {
-            "url": "https://nim-lang.org/download/nim-1.6.4_x32.zip",
-            "hash": "73a6c55572e82b7fe8706e4cc8923b1fa8378457de08ac1869faf816feac593b"
+            "url": "https://nim-lang.org/download/nim-1.6.6_x32.zip",
+            "hash": "11c6248fd3643fec761d3b0f99bba987e723b982a4891fdb18134cd2835705f6"
         }
     },
-    "extract_dir": "nim-1.6.4",
+    "extract_dir": "nim-1.6.6",
     "post_install": [
         "# Copy Nimble package",
         "Copy-Item -Recurse \"$dir\\dist\\nimble\\src\\nimblepkg\" \"$dir\\bin\""