diff --git a/.github/workflows/AD.yml b/.github/workflows/AD.yml
index ebbd9179..2012de7d 100644
--- a/.github/workflows/AD.yml
+++ b/.github/workflows/AD.yml
@@ -17,7 +17,6 @@ jobs:
           - '1'
         os:
           - ubuntu-latest
-          - macOS-latest
         arch:
           - x64
         AD:
@@ -25,6 +24,23 @@ jobs:
           - Tracker
           - ReverseDiff
           - Zygote
+        include:
+          - version: '1'
+            os: macOS-latest
+            arch: x64
+            AD: ForwardDiff
+          - version: '1'
+            os: macOS-latest
+            arch: x64
+            AD: Tracker
+          - version: '1'
+            os: macOS-latest
+            arch: x64
+            AD: ReverseDiff
+          - version: '1'
+            os: macOS-latest
+            arch: x64
+            AD: Zygote
     steps:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@v1
diff --git a/.github/workflows/Others.yml b/.github/workflows/Others.yml
index e3ad9cb0..dd8e346c 100644
--- a/.github/workflows/Others.yml
+++ b/.github/workflows/Others.yml
@@ -16,9 +16,12 @@ jobs:
           - '1'
         os:
           - ubuntu-latest
-          - macOS-latest
         arch:
           - x64
+        include:
+          - version: '1'
+            os: macOS-latest
+            arch: x64
     steps:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@v1
diff --git a/Project.toml b/Project.toml
index 3f6c560f..98d32e6c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "DistributionsAD"
 uuid = "ced4e74d-a319-5a8a-b0ac-84af2272839c"
-version = "0.6.29"
+version = "0.6.30"
 
 [deps]
 Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"
diff --git a/src/reversediff.jl b/src/reversediff.jl
index 54344f15..c01d09a6 100644
--- a/src/reversediff.jl
+++ b/src/reversediff.jl
@@ -18,7 +18,7 @@ using ..DistributionsAD: DistributionsAD
 
 
 import SpecialFunctions, NaNMath
-import ..DistributionsAD: turing_chol, symm_turing_chol, _mv_categorical_logpdf, adapt_randn,
+import ..DistributionsAD: turing_chol, symm_turing_chol, adapt_randn,
     simplex_logpdf
 import Base.Broadcast: materialize
 import StatsFuns: logsumexp
diff --git a/test/ad/distributions.jl b/test/ad/distributions.jl
index 20ba2149..023f8b62 100644
--- a/test/ad/distributions.jl
+++ b/test/ad/distributions.jl
@@ -73,8 +73,8 @@
         DistSpec(Beta, (1.0, 2.0), 0.5),
 
         DistSpec(BetaPrime, (), 0.5),
-        DistSpec(BetaPrime, (1.0,), 0.5),
-        DistSpec(BetaPrime, (1.0, 2.0), 0.5),
+        DistSpec(BetaPrime, (1.5,), 0.5),
+        DistSpec(BetaPrime, (1.5, 2.0), 0.5),
 
         DistSpec(Biweight, (), 0.5),
         DistSpec(Biweight, (1.0,), 0.5),