diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 81a57282..51c2d37b 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -21,10 +21,14 @@ jobs:
         os:
           - ubuntu-latest
         include:
-          - version: '1'
-            os: windows-latest
           - version: '1'
             os: macOS-latest
+          # Do not run tests on Windows since they often result in weird
+          # Python errors, e.g.,
+          #   `AttributeError: module 'brotli' has no attribute 'error'`
+          # in https://github.com/ranocha/BSeries.jl/pull/145
+          # - version: '1'
+          #   os: windows-latest
     steps:
       - uses: actions/checkout@v3
       - uses: julia-actions/setup-julia@v1
diff --git a/Project.toml b/Project.toml
index 09ca0be0..6063b58b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "BSeries"
 uuid = "ebb8d67c-85b4-416c-b05f-5f409e808f32"
 authors = ["Hendrik Ranocha <mail@ranocha.de> and contributors"]
-version = "0.1.53"
+version = "0.1.54"
 
 [deps]
 Combinatorics = "861a8166-3701-5b0c-9a16-15d98fcdc6aa"
diff --git a/test/runtests.jl b/test/runtests.jl
index 3a6291e2..a286597f 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -65,6 +65,12 @@ using Aqua: Aqua
                 b = [1 - α, α]
                 c = [0, 1 / (2 * α)]
                 series_integrator = bseries(A, b, c, 3)
+
+                # Call this once to avoid failing tests with `@test_nowarn`
+                # caused by deprecation warnings from PyCall.jl. See also
+                # https://github.com/JuliaPy/PyCall.jl/pull/1042
+                deepcopy(α)
+
                 @test_nowarn latexify(series_integrator)
             end