diff --git a/WORKSPACE.bazel b/WORKSPACE.bazel
index 3a2462b..acd3add 100644
--- a/WORKSPACE.bazel
+++ b/WORKSPACE.bazel
@@ -52,6 +52,13 @@ load("@rules_pkg//:deps.bzl", "rules_pkg_dependencies")
 
 rules_pkg_dependencies()
 
+http_archive(
+    name = "ecsact_rt_entt",
+    sha256 = "a34618fee8a1bec7cf933e71dec6191a56072d01ebb237eaada6ac2939920bda",
+    strip_prefix = "ecsact_rt_entt-9816376a9b9026411f0f090623d96085e2247fb0",
+    urls = ["https://github.com/ecsact-dev/ecsact_rt_entt/archive/9816376a9b9026411f0f090623d96085e2247fb0.zip"],
+)
+
 http_archive(
     name = "ecsact_rtb",
     sha256 = "97047bd4d35f73871c28e09512ddaaafc872c607d69eead29267374ab48460ae",