diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ccd6d4e..0514499 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -6,11 +6,6 @@ jobs:
       matrix:
         ruby: [2.4, 2.5, 2.6, 2.7, jruby]
         platform: [ubuntu-latest, macos-latest, windows-latest]
-        exclude:
-          # TODO: https://github.com/sparklemotion/nokogiri/issues/1961
-          # exclude windows with ruby 2.7 ; nokogiri is not supported for the present
-          - ruby: 2.7
-            platform: windows-latest
     runs-on: ${{ matrix.platform }}
     env:
       CC_TEST_REPORTER_ID: ${{ secrets.CC_TEST_REPORTER_ID }}
diff --git a/gepub.gemspec b/gepub.gemspec
index c1e929c..d010255 100644
--- a/gepub.gemspec
+++ b/gepub.gemspec
@@ -15,7 +15,7 @@ Gem::Specification.new do |s|
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   s.require_paths = ["lib"]
 
-  s.add_runtime_dependency "nokogiri", ">= 1.8.2", "< 1.11"
+  s.add_runtime_dependency "nokogiri", ">= 1.8.2", "< 1.12"
   s.add_runtime_dependency "rubyzip", "> 1.1.1", "< 2.2"
   s.add_development_dependency "rake"
   s.add_development_dependency "rspec"