diff --git a/build-constraints.yaml b/build-constraints.yaml
index 83c19b1a..390945ee 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -3021,10 +3021,10 @@ packages:
         - proto-lens-combinators
         - proto-lens-arbitrary
         - proto-lens-optparse
-        - tensorflow
-        - tensorflow-core-ops
+        # - tensorflow          # blocked on C library
+        # - tensorflow-core-ops # blocked on C library
         - tensorflow-opgen
-        - tensorflow-ops
+        # - tensorflow-ops      # blocked on C library
         - tensorflow-proto
         - tensorflow-test