diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 17562af..cff0b00 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,7 +29,7 @@ jobs:
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: actions/cache@v1
+      - uses: julia-actions/cache@v1
         env:
           cache-name: cache-artifacts
         with:
diff --git a/Project.toml b/Project.toml
index 93919ce..d99eec4 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "ScientificTypes"
 uuid = "321657f4-b219-11e9-178b-2701a2544e81"
 authors = ["Anthony D. Blaom <anthony.blaom@gmail.com>"]
-version = "3.1.0"
+version = "3.1.1"
 
 [deps]
 CategoricalArrays = "324d7699-5711-5eae-9e2f-1d82baa6b597"
@@ -15,7 +15,7 @@ StatisticalTraits = "64bff920-2084-43da-a3e6-9bb72801c0c9"
 Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
 
 [compat]
-CategoricalArrays = "0.8, 0.9, 0.10"
+CategoricalArrays = "0.8, 0.9, 0.10, 1"
 ColorTypes = "0.9, 0.10, 0.11, 0.12"
 Distributions = "0.25.1"
 PrettyTables = "1, 2"