diff --git a/hasql-postgresql-types.cabal b/hasql-postgresql-types.cabal
--- a/hasql-postgresql-types.cabal
+++ b/hasql-postgresql-types.cabal
@@ -1,6 +1,6 @@
 cabal-version: 3.0
 name: hasql-postgresql-types
-version: 0.2
+version: 0.2.0.1
 category: PostgreSQL, Codecs, Hasql
 synopsis: Integration of "hasql" with "postgresql-types"
 description:
@@ -106,7 +106,7 @@
     hasql-mapping ^>=0.1,
     postgresql-types ^>=0.1,
     postgresql-types-algebra ^>=0.1,
-    ptr-peeker ^>=0.1.0.1,
+    ptr-peeker >=0.1.0.1 && <0.3,
     ptr-poker ^>=0.1.3,
     tagged ^>=0.8.9,
     text-builder ^>=1.0.0.4,