diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Revision history for tmp-proc-postgres
 
+## 0.5.2.1 -- 2022-08-11
+
+* Relax version bounds
+
 ## 0.5.2.0 -- 2022-08-10
 
 * Update the connection URI
diff --git a/tmp-proc-postgres.cabal b/tmp-proc-postgres.cabal
--- a/tmp-proc-postgres.cabal
+++ b/tmp-proc-postgres.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               tmp-proc-postgres
-version:            0.5.2.0
+version:            0.5.2.1
 synopsis:           Shows how to run a PostgreSQL database as a tmp proc
 description:
   An example of using tmp-proc to launch dockerized PostgreSQL in integration tests.
@@ -16,7 +16,10 @@
 extra-source-files:
   ChangeLog.md
 tested-with:
+  GHC == 8.8.4
   GHC == 8.10.5
+  GHC == 8.10.7
+  GHC == 9.2.2
 
 source-repository head
   type:     git
@@ -30,7 +33,7 @@
     , bytestring         >=0.10.8.2 && <0.12
     , postgresql-simple  >=0.5.4.0  && <0.6.5
     , text               >=1.2.3 && <2.2
-    , tmp-proc           >=0.5.1.0  && <0.6.0.0
+    , tmp-proc           >=0.5  && <0.6
 
   default-language: Haskell2010
   ghc-options:      -fno-ignore-asserts -Wall