diff --git a/.github/actions/pr_notifier/requirements.txt b/.github/actions/pr_notifier/requirements.txt
index 79b8d5a17e855..d85fd80957dad 100644
--- a/.github/actions/pr_notifier/requirements.txt
+++ b/.github/actions/pr_notifier/requirements.txt
@@ -111,9 +111,9 @@ six==1.16.0 \
     --hash=sha256:1e61c37477a1626458e36f7b1d82aa5c9b094fa4802892072e49de9c60c4c926 \
     --hash=sha256:8abb2f1d86890a2dfb989f9a77cfcfd3e47c2a354b01111771326f8aa26e0254
     # via pynacl
-slack_sdk==3.11.0 \
-    --hash=sha256:4d9854ee158c3137cfe1ba587dc4b777b6881aee58436d8071f36bad842acbf4 \
-    --hash=sha256:8dc858cd106b639191ee3dc38fb957e55ab8dd28c2cc22feafa1223ab2def646
+slack-sdk==3.20.1 \
+    --hash=sha256:0ba2eca9f0aeb66cc893a768e7ad2cdd74260c394b9b51666d4b665664d0cadd \
+    --hash=sha256:a23aa223fe52238196000afddef380292ea27148846ba31cc80c3fbc018bcfc8
     # via -r requirements.in
 urllib3==1.26.6 \
     --hash=sha256:39fb8672126159acb139a7718dd10806104dec1e2f0f6c88aab05d17df10c8d4 \