diff --git a/build-constraints.yaml b/build-constraints.yaml
index 02065498..daca04fb 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -601,6 +601,9 @@ packages:
         - opaleye
         - product-profunctors
 
+    "Samplecount stefan@samplecount.com @kaoskorobase":
+        - shake-language-c
+
     "Stackage upper bounds":
         # cabal-install is buggy still.
         - network < 2.6