diff --git a/build-constraints.yaml b/build-constraints.yaml
index ac8e3ef0..c4176f84 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1356,9 +1356,9 @@ packages:
     "David Raymond Christiansen <david@davidchristiansen.dk> @david-christiansen":
         - annotated-wl-pprint
 
-    # "Yitz Gale <gale@sefer.org> @ygale":
-        # GHC 8 - timezone-series
-        # GHC 8 - timezone-olson
+    "Yitz Gale <gale@sefer.org> @ygale":
+        - timezone-series
+        - timezone-olson
 
     "Josh Holland <josh@inv.alid.pw> @jshholland":
         - sandi