diff --git a/requirements/common.in b/requirements/common.in
index 4a9f086f5f2..e26e0e7fba0 100644
--- a/requirements/common.in
+++ b/requirements/common.in
@@ -6,7 +6,7 @@ celery==5.5.3  # celery needed for data ingestion
 cached-property==2.0.1 # needed for kombu with --require-hashes
 simplejson==3.20.2  # import simplejson
 newrelic==10.17.0
-certifi==2025.8.3
+certifi==2025.10.5
 
 psycopg2-binary==2.9.9
 
diff --git a/requirements/common.txt b/requirements/common.txt
index ca6c398f96b..0ded4299ea1 100644
--- a/requirements/common.txt
+++ b/requirements/common.txt
@@ -251,9 +251,9 @@ celery==5.5.3 \
     --hash=sha256:0b5761a07057acee94694464ca482416b959568904c9dfa41ce8413a7d65d525 \
     --hash=sha256:6c972ae7968c2b5281227f01c3a3f984037d21c5129d07bf3550cc2afc6b10a5
     # via -r requirements/common.in
-certifi==2025.8.3 \
-    --hash=sha256:e564105f78ded564e3ae7c923924435e1daa7463faeab5bb932bc53ffae63407 \
-    --hash=sha256:f6c12493cfb1b06ba2ff328595af9350c65d6644968e5d3a2ffd78699af217a5
+certifi==2025.10.5 \
+    --hash=sha256:0f212c2744a9bb6de0c56639a6f68afe01ecd92d91f14ae897c4fe7bbeeef0de \
+    --hash=sha256:47c09d31ccf2acf0be3f701ea53595ee7e0b8fa08801c6624be771df09ae7b43
     # via
     #   -r requirements/common.in
     #   requests
diff --git a/requirements/dev.txt b/requirements/dev.txt
index 0bb194dd967..a26e141572f 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -56,9 +56,9 @@ build==1.0.3 \
     --hash=sha256:538aab1b64f9828977f84bc63ae570b060a8ed1be419e7870b8b4fc5e6ea553b \
     --hash=sha256:589bf99a67df7c9cf07ec0ac0e5e2ea5d4b37ac63301c4986d1acb126aa83f8f
     # via pip-tools
-certifi==2025.8.3 \
-    --hash=sha256:e564105f78ded564e3ae7c923924435e1daa7463faeab5bb932bc53ffae63407 \
-    --hash=sha256:f6c12493cfb1b06ba2ff328595af9350c65d6644968e5d3a2ffd78699af217a5
+certifi==2025.10.5 \
+    --hash=sha256:0f212c2744a9bb6de0c56639a6f68afe01ecd92d91f14ae897c4fe7bbeeef0de \
+    --hash=sha256:47c09d31ccf2acf0be3f701ea53595ee7e0b8fa08801c6624be771df09ae7b43
     # via
     #   requests
     #   selenium