diff --git a/MODULE.bazel b/MODULE.bazel
index d1ff8b0b8d2..38f182d14ba 100644
--- a/MODULE.bazel
+++ b/MODULE.bazel
@@ -128,6 +128,7 @@ use_repo(
     "kotlin-compiler-1.9.20-Beta",
     "kotlin-compiler-2.0.0-RC1",
     "kotlin-compiler-2.0.20-Beta2",
+    "kotlin-compiler-2.1.0-Beta1",
     "kotlin-compiler-embeddable-1.5.0",
     "kotlin-compiler-embeddable-1.5.10",
     "kotlin-compiler-embeddable-1.5.20",
@@ -141,6 +142,7 @@ use_repo(
     "kotlin-compiler-embeddable-1.9.20-Beta",
     "kotlin-compiler-embeddable-2.0.0-RC1",
     "kotlin-compiler-embeddable-2.0.20-Beta2",
+    "kotlin-compiler-embeddable-2.1.0-Beta1",
     "kotlin-stdlib-1.5.0",
     "kotlin-stdlib-1.5.10",
     "kotlin-stdlib-1.5.20",
@@ -154,6 +156,7 @@ use_repo(
     "kotlin-stdlib-1.9.20-Beta",
     "kotlin-stdlib-2.0.0-RC1",
     "kotlin-stdlib-2.0.20-Beta2",
+    "kotlin-stdlib-2.1.0-Beta1",
 )
 
 go_sdk = use_extension("@rules_go//go:extensions.bzl", "go_sdk")
diff --git a/java/kotlin-extractor/versions.bzl b/java/kotlin-extractor/versions.bzl
index e124d6e150a..aecb170b630 100644
--- a/java/kotlin-extractor/versions.bzl
+++ b/java/kotlin-extractor/versions.bzl
@@ -13,6 +13,7 @@ VERSIONS = [
     "1.9.20-Beta",
     "2.0.0-RC1",
     "2.0.20-Beta2",
+    "2.1.0-Beta1",
 ]
 
 def _version_to_tuple(v):