diff --git a/packages/google-auth/docs/requirements-docs.txt b/packages/google-auth/docs/requirements-docs.txt
index 572dd0661ddb..83f4e7ff9d24 100644
--- a/packages/google-auth/docs/requirements-docs.txt
+++ b/packages/google-auth/docs/requirements-docs.txt
@@ -12,6 +12,6 @@ sphinxcontrib-devhelp==2.0.0
 sphinxcontrib-htmlhelp==2.1.0
 sphinxcontrib-qthelp==2.0.0
 sphinxcontrib-serializinghtml==2.0.0
-sphinx==9.1.0
+sphinx==9.2.0
 alabaster
 recommonmark
diff --git a/packages/google-cloud-spanner/.devcontainer/requirements.txt b/packages/google-cloud-spanner/.devcontainer/requirements.txt
index 9404b529df28..a1b572562b44 100644
--- a/packages/google-cloud-spanner/.devcontainer/requirements.txt
+++ b/packages/google-cloud-spanner/.devcontainer/requirements.txt
@@ -22,9 +22,9 @@ filelock==4.2.4 \
     # via
     #   python-discovery
     #   virtualenv
-nox==2026.8.17 \
-    --hash=sha256:8d9c69c9b996a59db1eb2c6968deaebc2edbc55317d205981bbc4a37351d3f2e \
-    --hash=sha256:a96a5286007cbc0d1eb1930e85738668f6722adba1ffaa48287296a96963086e
+nox==2026.10.20 \
+    --hash=sha256:5da57c009c3dfdd762c068d9079b17966ec967a9eb02cd8ebcf016a946eaf67f \
+    --hash=sha256:7aff12bb01471f5b087ada34cf0dbe452b02d840593f2e2afecc4bf6e6d6cd3f
     # via -r requirements.in
 packaging==26.3 \
     --hash=sha256:94edc256424af38762eb31306eed28beb9f0efc50a8837492c9d6fd6004aed79 \
@@ -38,7 +38,7 @@ python-discovery==1.6.4 \
     --hash=sha256:530179cc51a1816d512b15635b3dc931295ae12efb183783ad31190a5d425d2b \
     --hash=sha256:bc70d31f0ec5de11eda13d4d64c16e24b3506a65984684f2b6c98cb83b2ea9df
     # via virtualenv
-virtualenv==21.14.11 \
-    --hash=sha256:593052d8477ea8c55a842387ce111bd08c72618f0c1133c302cafe335e570a57 \
-    --hash=sha256:b319f8590a84e5de5f8f2c803ecd2237e9bc0ffa7c1e875e3169c107cecb7454
+virtualenv==21.14.12 \
+    --hash=sha256:7820aeaef23f1f59a96458edfc7f9d3deac937155718de15f1c9a64471e15551 \
+    --hash=sha256:bbcfb78e36c22ad70c6917c4aecb5e63477d3c138e9f88c946f320e31859c76a
     # via nox
diff --git a/packages/google-crc32c/scripts/requirements.txt b/packages/google-crc32c/scripts/requirements.txt
index 8d79efeeb9b6..69a5633d2466 100644
--- a/packages/google-crc32c/scripts/requirements.txt
+++ b/packages/google-crc32c/scripts/requirements.txt
@@ -35,11 +35,11 @@ wheel==0.48.0 \
     # via -r requirements.in
 
 # The following packages are considered to be unsafe in a requirements file:
-pip==26.2.1 \
-    --hash=sha256:71138adf1f4ca900cdb7d289c21b7494329f2332b6d85f0e1c42108c0384ed3e \
-    --hash=sha256:f6ad667e89a1fe78046c8f13232b247200f5258d7828f3f7883d660878e0813f
+pip==26.2.2 \
+    --hash=sha256:3a8e5c800492787f33a4114ef54444546c340df428974ebba17e0fd47e11af2f \
+    --hash=sha256:fd7f4dfa8190e014013b9f08f3e973f4e4c26ffd179a204895533a7254813a70
     # via -r requirements.in
-setuptools==84.0.0 \
-    --hash=sha256:51a52592b3b99e102b609654876bd65f19f999935166d1352678931132b0c670 \
-    --hash=sha256:f4695c21257f0d9b537ec2692c941d02ee143b7cc1276941349a546573b2ef73
+setuptools==84.2.1 \
+    --hash=sha256:3ff8b3b5492a0aa66960f4419365a86b84e013070d4313e4d4a6894f5d64d6bc \
+    --hash=sha256:ca140b45d5325a9478f880e351484f62fef15f336462e449ca0c03c873d589c2
     # via -r requirements.in