diff --git a/build-constraints.yaml b/build-constraints.yaml
index b550c068..0ec73c51 100644
--- a/build-constraints.yaml
+++ b/build-constraints.yaml
@@ -1603,6 +1603,9 @@ packages:
         - inline-c-cpp
         - ekg
 
+    "Emin Karayel <me@eminkarayel.de>":
+        - sync-mht
+
     "Stackage upper bounds":
         # https://github.com/fpco/stackage/issues/537
         - zlib < 0.6
@@ -1660,9 +1663,6 @@ packages:
         - messagepack < 0.5.0
         - messagepack-rpc < 0.5.1
 
-        # https://github.com/fpco/stackage/issues/957
-        - exact-pi < 0.3
-
 
 # end of packages