diff --git a/ghc-check.cabal b/ghc-check.cabal
--- a/ghc-check.cabal
+++ b/ghc-check.cabal
@@ -1,7 +1,7 @@
 cabal-version:       1.20
 build-type:          Simple
 name:                ghc-check
-version:             0.5.0.4
+version:             0.5.0.5
 synopsis:            detect mismatches between compile-time and run-time versions of the ghc api
 description:         detect mismatches between compile-time and run-time versions of the ghc api
 bug-reports:         https://github.com/pepeiborra/ghc-check/issues
diff --git a/src/GHC/Check/PackageDb.hs b/src/GHC/Check/PackageDb.hs
--- a/src/GHC/Check/PackageDb.hs
+++ b/src/GHC/Check/PackageDb.hs
@@ -29,7 +29,7 @@
 import GHC.Unit.Info (PackageName (PackageName))
 import GHC.Unit.State
   (lookupUnit, explicitUnits,  lookupUnitId,
-    lookupPackageName, GenericUnitInfo (..), 
+    lookupPackageName, GenericUnitInfo (..),
     UnitInfo, unitPackageNameString)
 import GHC.Unit.Types (indefUnit)
 #else
@@ -111,4 +111,4 @@
 #endif
 
 fromVersionString :: HasCallStack => String -> PackageVersion
-fromVersionString v = PackageVersion (MyVersion $ read v) Nothing
+fromVersionString v = PackageVersion (read v) Nothing