diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,5 +1,9 @@
 # Revision history for hspec-tmp-proc
 
+## 0.5.1.2 -- 2022-08-11
+
+* Relax version bounds
+
 ## 0.5.1.0 -- 2022-08-08
 
 * Bump version of hspec, text and base
diff --git a/hspec-tmp-proc.cabal b/hspec-tmp-proc.cabal
--- a/hspec-tmp-proc.cabal
+++ b/hspec-tmp-proc.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               hspec-tmp-proc
-version:            0.5.1.1
+version:            0.5.1.2
 synopsis:           Simplify use of tmp-proc from hspec tests
 description:        Reduces boilerplate when using tmp-proc with hspec
 license:            BSD-3-Clause
@@ -16,7 +16,10 @@
   ChangeLog.md
   README.md
 tested-with:
+  GHC == 8.8.4
   GHC == 8.10.5
+  GHC == 8.10.7
+  GHC == 9.2.2
 
 source-repository head
   type:     git
@@ -28,7 +31,7 @@
   build-depends:
     , base      >=4.11    && <5
     , hspec     >=2.7.0   && <2.12.0
-    , tmp-proc  >=0.5.1.0 && <0.6.0.0
+    , tmp-proc  >=0.5.0 && <0.6.0
 
   default-language: Haskell2010
   ghc-options:      -fno-ignore-asserts -Wall
