diff --git a/build.gradle b/build.gradle
index b473bd7..cc9bfec 100644
--- a/build.gradle
+++ b/build.gradle
@@ -36,8 +36,7 @@ repositories {
 
 java {
     toolchain {
-        languageVersion = JavaLanguageVersion.of(8)
-       // languageVersion = JavaLanguageVersion.of(17)
+       languageVersion = JavaLanguageVersion.of(8)
     }
     // sources are required by maven central in order to accept the package
     withSourcesJar()
diff --git a/src/main/java/io/permit/sdk/PermitConfig.java b/src/main/java/io/permit/sdk/PermitConfig.java
index 4f1afc1..9e6b439 100644
--- a/src/main/java/io/permit/sdk/PermitConfig.java
+++ b/src/main/java/io/permit/sdk/PermitConfig.java
@@ -205,7 +205,7 @@ public static class Builder {
         // main config vars
         private String token;
         private String pdp = "http://localhost:7766";
-        private String opa = "http://localhost:8181/v1/data/permit";
+        private String opa = "http://localhost:8181";
         private String apiUrl = "https://api.permit.io";
         private Boolean debugMode = false;
 
diff --git a/src/main/java/io/permit/sdk/enforcement/Enforcer.java b/src/main/java/io/permit/sdk/enforcement/Enforcer.java
index 0b3e90b..b755f5d 100644
--- a/src/main/java/io/permit/sdk/enforcement/Enforcer.java
+++ b/src/main/java/io/permit/sdk/enforcement/Enforcer.java
@@ -471,8 +471,8 @@ public UserPermissions getUserPermissionsWithOPA(GetUserPermissionsQuery input)
         String requestBody = gson.toJson(outerMap);
 
         RequestBody body = RequestBody.create(requestBody, MediaType.parse("application/json"));
-     
-        String url = String.format("%s/user_permissions/permissions", this.config.getOpaAddress());
+        String PERMISSIONS_PATH = "permit/user_permissions/permissions";
+        String url = String.format("%s/v1/data/%s", this.config.getOpaAddress(), PERMISSIONS_PATH);
         Request request = new Request.Builder()
                 .url(url)
                 .post(body)
diff --git a/src/test/java/io/permit/sdk/PermitE2ETestBase.java b/src/test/java/io/permit/sdk/PermitE2ETestBase.java
index 46e7e05..2ec9fc9 100644
--- a/src/test/java/io/permit/sdk/PermitE2ETestBase.java
+++ b/src/test/java/io/permit/sdk/PermitE2ETestBase.java
@@ -19,7 +19,7 @@ public abstract class PermitE2ETestBase {
     public PermitE2ETestBase() {
         final String token = System.getenv().getOrDefault("PDP_API_KEY", "");
         final String pdpAddress = System.getenv().getOrDefault("PDP_URL", "http://localhost:7766");
-        final String opaAddress = System.getenv().getOrDefault("OPA_URL", "http://localhost:8181/v1/data/permit");
+        final String opaAddress = System.getenv().getOrDefault("OPA_URL", "http://localhost:8181");
         final String pdpControlPlane = System.getenv().getOrDefault("PDP_CONTROL_PLANE", "https://api.permit.io");
 
         this.config = new PermitConfig.Builder(token)