diff --git a/build-constraints.yaml b/build-constraints.yaml
index 9cf6a1e7..9a0fe876 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -160,7 +160,7 @@ packages:
         - async
         - base16-bytestring
         - c2hs
-        # - cassava # bounds: vector
+        - cassava
         - csv-conduit
         - executable-hash
         - executable-path
@@ -610,8 +610,7 @@ packages:
         - posix-realtime
 
     "Dom De Re <domdere@domdere.com> @domdere":
-        []
-        # - cassava-conduit # via cassava: bounds: vector
+        - cassava-conduit
 
     "Dominic Steinitz <dominic@steinitz.org> @idontgetoutmuch":
         []
@@ -954,7 +953,7 @@ packages:
         - servant-blaze
         - servant-foreign
         - servant-mock
-        # - servant-cassava # via cassava: bounds: vector
+        - servant-cassava
 
     "Alexandr Ruchkin <voidex@live.com> @mvoidex":
         # - hdocs # BLOCKED haddock-api GHC 8.0.2