diff --git a/build-constraints.yaml b/build-constraints.yaml
index cfcbf4ed..63941a3d 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -4768,7 +4768,6 @@ packages:
         - ratel-wai < 0 # via base-4.13.0.0
         - rattletrap < 0 # via base-4.13.0.0
         - reanimate < 0 # via base-4.13.0.0
-        - regex-base < 0 # via base-4.13.0.0
         - repa < 0 # via base-4.13.0.0
         - repa-algorithms < 0 # via base-4.13.0.0
         - repa-io < 0 # via base-4.13.0.0
@@ -5388,18 +5387,16 @@ packages:
         - poly < 0 # via quickcheck-classes
         - yesod-paginator < 0 # via quickcheck-classes
         - regex-with-pcre < 0 # via regex
-        - lens-regex < 0 # via regex-base
-        - regex-compat < 0 # via regex-base
-        - regex-compat-tdfa < 0 # via regex-base
-        - regex-pcre < 0 # via regex-base
-        - regex-pcre-builtin < 0 # via regex-base
-        - regex-pcre-text < 0 # via regex-base
-        - regex-posix < 0 # via regex-base
-        - regex-tdfa < 0 # via regex-base
-        - regex-tdfa-text < 0 # via regex-base
-        - regex-with-pcre < 0 # via regex-base
-        - scalpel-core < 0 # via regex-base
-        - yi-language < 0 # via regex-base
+        - regex-compat < 0 # via regex-base-0.94.0.0
+        - regex-pcre < 0 # via regex-base-0.94.0.0
+        - regex-pcre-text < 0 # via regex-base-0.94.0.0
+        - regex-posix < 0 # via regex-base-0.94.0.0
+        - regex-tdfa < 0 # via regex-base-0.94.0.0
+        - yi-language < 0 # via regex-base-0.94.0.0
+        - lens-regex < 0 # via regex-posix
+        - regex-compat-tdfa < 0 # via regex-tdfa
+        - regex-tdfa-text < 0 # via regex-tdfa
+        - scalpel-core < 0 # via regex-tdfa
         - datasets < 0 # via req
         - elm2nix < 0 # via req
         - req-conduit < 0 # via req