diff --git a/PackageInfo.g b/PackageInfo.g
index f252375..a0401be 100644
--- a/PackageInfo.g
+++ b/PackageInfo.g
@@ -10,7 +10,7 @@ SetPackageInfo( rec(
 
 PackageName := "CatReps",
 Subtitle := "Representations and cohomology of finite categories",
-Version := "2023.02-04",
+Version := "2023.05-01",
 
 Date := ~.Version{[ 1 .. 10 ]},
 Date := (function ( ) if IsBound( GAPInfo.SystemEnvironment.GAP_PKG_RELEASE_DATE ) then return GAPInfo.SystemEnvironment.GAP_PKG_RELEASE_DATE; else return Concatenation( ~.Version{[ 1 .. 4 ]}, "-", ~.Version{[ 6, 7 ]}, "-01" ); fi; end)( ),
diff --git a/examples/notebooks/CategoryOfRepresentations.ipynb b/examples/notebooks/CategoryOfRepresentations.ipynb
index c544ecf..47e3a77 100644
--- a/examples/notebooks/CategoryOfRepresentations.ipynb
+++ b/examples/notebooks/CategoryOfRepresentations.ipynb
@@ -2576,9 +2576,9 @@
   },
   "celltoolbar": "Slideshow",
   "kernelspec": {
-   "display_name": "Julia 1.8.5",
+   "display_name": "Julia 1.9.0",
    "language": "julia",
-   "name": "julia-1.8"
+   "name": "julia-1.9"
   },
   "language_info": {
    "file_extension": ".jl",