diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d8ab9c3..e486b69 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,8 +45,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, macos-latest]
-        java-version: [17, 25]
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        java-version: [11, 25]
 
     steps:
       - uses: actions/checkout@v7
@@ -65,7 +65,7 @@ jobs:
           cache: maven
 
       - name: Build and test
-        run: mvn -B verify ${{ matrix.os == 'macos-latest' && '-Pno-docker' || '' }}
+        run: mvn -B verify ${{ matrix.os != 'ubuntu-latest' && '-Pno-docker' || '' }}
 
       - name: Publish Test Report
         uses: mikepenz/action-junit-report@v6
diff --git a/core/pom.xml b/core/pom.xml
index 14f7ce1..6b9529f 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -14,8 +14,8 @@
 
   <dependencies>
     <dependency>
-      <groupId>land.oras</groupId>
-      <artifactId>oras-java-sdk</artifactId>
+      <groupId>io.roastedroot</groupId>
+      <artifactId>oras-java</artifactId>
     </dependency>
     <dependency>
       <groupId>run.endive</groupId>
diff --git a/maven-plugin/pom.xml b/maven-plugin/pom.xml
index 111fd53..51f1d49 100644
--- a/maven-plugin/pom.xml
+++ b/maven-plugin/pom.xml
@@ -39,8 +39,8 @@
     </dependency>
 
     <dependency>
-      <groupId>land.oras</groupId>
-      <artifactId>oras-java-sdk</artifactId>
+      <groupId>io.roastedroot</groupId>
+      <artifactId>oras-java</artifactId>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/pom.xml b/pom.xml
index 48da976..31dd79a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -61,9 +61,10 @@
     <maven-plugin-plugin.version>3.15.2</maven-plugin-plugin.version>
 
     <!-- runtime versions -->
-    <oras.version>0.8.0</oras.version>
+    <oras.version>0.0.2</oras.version>
     <endive.version>1.0.0</endive.version>
     <sigstore.version>2.1.0</sigstore.version>
+    <bouncycastle.version>1.85</bouncycastle.version>
 
     <!-- test time versions -->
     <junit.version>5.14.4</junit.version>
@@ -83,8 +84,8 @@
         <version>${project.version}</version>
       </dependency>
       <dependency>
-        <groupId>land.oras</groupId>
-        <artifactId>oras-java-sdk</artifactId>
+        <groupId>io.roastedroot</groupId>
+        <artifactId>oras-java</artifactId>
         <version>${oras.version}</version>
       </dependency>
       <dependency>
@@ -102,6 +103,21 @@
         <artifactId>maven-plugin-annotations</artifactId>
         <version>${maven-plugin-annotations.version}</version>
       </dependency>
+      <dependency>
+        <groupId>org.bouncycastle</groupId>
+        <artifactId>bcpkix-jdk18on</artifactId>
+        <version>${bouncycastle.version}</version>
+      </dependency>
+      <dependency>
+        <groupId>org.bouncycastle</groupId>
+        <artifactId>bcprov-jdk18on</artifactId>
+        <version>${bouncycastle.version}</version>
+      </dependency>
+      <dependency>
+        <groupId>org.bouncycastle</groupId>
+        <artifactId>bcutil-jdk18on</artifactId>
+        <version>${bouncycastle.version}</version>
+      </dependency>
       <dependency>
         <groupId>org.junit.jupiter</groupId>
         <artifactId>junit-jupiter</artifactId>
@@ -144,7 +160,7 @@
           <version>${maven-compiler-plugin.version}</version>
           <configuration>
             <parameters>true</parameters>
-            <release>17</release>
+            <release>11</release>
           </configuration>
         </plugin>
       </plugins>