diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 441d4517..04407008 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,8 @@ on:
   workflow_dispatch:
 env:
   cache_nonce: 0 # Allows for easily busting actions/cache caches
-  nim_version: v1.6.14
+  # FIXME: change this once https://github.com/nim-lang/Nim/issues/23214 gets upstreamed/backported
+  nim_version: f45bdea94ac4ed9a9bae03426275456aeb0cab2a
 jobs:
   build:
     strategy: