diff --git a/.kokoro/requirements.txt b/.kokoro/requirements.txt
index 90d861ad..7e12a880 100644
--- a/.kokoro/requirements.txt
+++ b/.kokoro/requirements.txt
@@ -319,9 +319,9 @@ googleapis-common-protos==1.63.0 \
     --hash=sha256:17ad01b11d5f1d0171c06d3ba5c04c54474e883b66b949722b4938ee2694ef4e \
     --hash=sha256:ae45f75702f7c08b541f750854a678bd8f534a1a6bace6afe975f1d0a82d6632
     # via google-api-core
-idna==3.6 \
-    --hash=sha256:9ecdbbd083b06798ae1e86adcbfe8ab1479cf864e4ee30fe4e46a003d12491ca \
-    --hash=sha256:c05567e9c24a6b9faaa835c4821bad0590fbb9d5779e7caa6e1cc4978e7eb24f
+idna==3.15 \
+    --hash=sha256:048adeaf8c2d788c40fee287673ccaa74c24ffd8dcf09ffa555a2fbb59f10ac8 \
+    --hash=sha256:ca962446ea538f7092a95e057da437618e886f4d349216d2b1e294abfdb65fdc
     # via requests
 importlib-metadata==7.0.2 \
     --hash=sha256:198f568f3230878cb1b44fbd7975f87906c22336dba2e4a7f05278c281fbd792 \
@@ -498,4 +498,4 @@ zipp==3.18.0 \
 # WARNING: The following packages were not pinned, but pip requires them to be
 # pinned when the requirements file includes hashes and the requirement is not
 # satisfied by a package already installed. Consider using the --allow-unsafe flag.
-# setuptools
\ No newline at end of file
+# setuptools