diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 7f8e630..c0bb677 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -8,11 +8,15 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
 
     strategy:
       matrix:
+        os: [ ubuntu-latest ]
         java: [ 11, 17, 21, 25 ]
+        include:
+          - os: windows-latest
+            java: 25
 
     steps:
       - name: Checkout
@@ -26,4 +30,11 @@ jobs:
           cache: 'maven'
 
       - name: Build and test
-        run: mvn clean verify -U
+        shell: bash
+        run: |
+          if [ "${{ runner.os }}" == "Windows" ]; then
+            # Testcontainers doesn't support Windows containers
+            mvn clean test -U
+          else
+            mvn clean verify -U
+          fi
diff --git a/jjava-jupyter/src/test/java/org/dflib/jjava/jupyter/kernel/util/PathsHandlerTest.java b/jjava-jupyter/src/test/java/org/dflib/jjava/jupyter/kernel/util/PathsHandlerTest.java
index 8737d2d..ceb6c80 100644
--- a/jjava-jupyter/src/test/java/org/dflib/jjava/jupyter/kernel/util/PathsHandlerTest.java
+++ b/jjava-jupyter/src/test/java/org/dflib/jjava/jupyter/kernel/util/PathsHandlerTest.java
@@ -9,6 +9,7 @@
 import java.nio.file.Path;
 import java.util.List;
 import java.util.stream.Collectors;
+import java.util.stream.Stream;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
@@ -30,16 +31,29 @@ public void testSpitAndResolveGlobs(@TempDir Path dir) throws IOException {
         Files.createFile(dir.resolve("b2.txt"));
         Files.createFile(dir.resolve("c1.txt"));
 
-        String basePath = dir + File.separator;
+        String baseGlob = dir + "/"; // glob resolver only accepts "/" as splitter
 
         assertEquals(List.of(), PathsHandler.splitAndResolveGlobs(""));
-        assertEquals(List.of(), PathsHandler.splitAndResolveGlobs(basePath + "a"));
-        assertEquals(List.of(), PathsHandler.splitAndResolveGlobs(basePath + "a" + File.pathSeparator + "b/c/d"));
+        assertEquals(List.of(), PathsHandler.splitAndResolveGlobs(baseGlob + "a"));
+        assertEquals(List.of(), PathsHandler.splitAndResolveGlobs(baseGlob + "a" + File.pathSeparator + "b/c/d"));
 
-        assertEquals(List.of(basePath + "a1.txt", basePath + "a2.txt"),
-                PathsHandler.splitAndResolveGlobs(basePath + "a*").stream().map(p -> p.toAbsolutePath().toString()).sorted().collect(Collectors.toList()));
         assertEquals(
-                List.of(basePath + "a1.txt", basePath + "a2.txt", basePath + "b1.txt", basePath + "b2.txt"),
-                PathsHandler.splitAndResolveGlobs(basePath + "a*" + File.pathSeparator + basePath + "b*").stream().map(p -> p.toAbsolutePath().toString()).sorted().collect(Collectors.toList()));
+                List.of(joinPath(dir, "a1.txt"), joinPath(dir, "a2.txt")),
+                PathsHandler.splitAndResolveGlobs(baseGlob + "a*").stream()
+                        .map(p -> p.toAbsolutePath().toString())
+                        .sorted()
+                        .collect(Collectors.toList())
+        );
+        assertEquals(
+                List.of(joinPath(dir, "a1.txt"), joinPath(dir, "a2.txt"), joinPath(dir, "b1.txt"), joinPath(dir, "b2.txt")),
+                PathsHandler.splitAndResolveGlobs(baseGlob + "a*" + File.pathSeparator + baseGlob + "b*").stream()
+                        .map(p -> p.toAbsolutePath().toString())
+                        .sorted()
+                        .collect(Collectors.toList())
+        );
+    }
+
+    private static String joinPath(Object... elements) {
+        return Stream.of(elements).map(String::valueOf).collect(Collectors.joining(File.separator));
     }
 }