diff --git a/requirements/common.in b/requirements/common.in
index b3f7c5ffae2..c638ea6988b 100644
--- a/requirements/common.in
+++ b/requirements/common.in
@@ -6,7 +6,7 @@ celery==5.6.2  # celery needed for data ingestion
 cached-property==2.0.1 # needed for kombu with --require-hashes
 simplejson==3.20.2  # import simplejson
 newrelic==11.2.0
-certifi==2026.1.4
+certifi==2026.2.25
 
 psycopg2-binary==2.9.11
 
diff --git a/requirements/common.txt b/requirements/common.txt
index 36abe757fdc..d70920da5da 100644
--- a/requirements/common.txt
+++ b/requirements/common.txt
@@ -268,9 +268,9 @@ celery==5.6.2 \
     --hash=sha256:3ffafacbe056951b629c7abcf9064c4a2366de0bdfc9fdba421b97ebb68619a5 \
     --hash=sha256:4a8921c3fcf2ad76317d3b29020772103581ed2454c4c042cc55dcc43585009b
     # via -r requirements/common.in
-certifi==2026.1.4 \
-    --hash=sha256:9943707519e4add1115f44c2bc244f782c0249876bf51b6599fee1ffbedd685c \
-    --hash=sha256:ac726dd470482006e014ad384921ed6438c457018f4b3d204aea4281258b2120
+certifi==2026.2.25 \
+    --hash=sha256:027692e4402ad994f1c42e52a4997a9763c646b73e4096e4d5d6db8af1d6f0fa \
+    --hash=sha256:e887ab5cee78ea814d3472169153c2d12cd43b14bd03329a39a9c6e2e80bfba7
     # via
     #   -r requirements/common.in
     #   requests
diff --git a/requirements/dev.txt b/requirements/dev.txt
index 22d160910cf..c23f0912b10 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==2026.1.4 \
-    --hash=sha256:9943707519e4add1115f44c2bc244f782c0249876bf51b6599fee1ffbedd685c \
-    --hash=sha256:ac726dd470482006e014ad384921ed6438c457018f4b3d204aea4281258b2120
+certifi==2026.2.25 \
+    --hash=sha256:027692e4402ad994f1c42e52a4997a9763c646b73e4096e4d5d6db8af1d6f0fa \
+    --hash=sha256:e887ab5cee78ea814d3472169153c2d12cd43b14bd03329a39a9c6e2e80bfba7
     # via
     #   requests
     #   selenium