diff --git a/requirements-build-lock.txt b/requirements-build-lock.txt
index 938f8ce09524..27de79af2806 100644
--- a/requirements-build-lock.txt
+++ b/requirements-build-lock.txt
@@ -32,19 +32,19 @@ pefile==2023.2.7 \
     --hash=sha256:82e6114004b3d6911c77c3953e3838654b04511b8b66e8583db70c65998017dc \
     --hash=sha256:da185cd2af68c08a6cd4481f7325ed600a88f6a813bad9dea07ab3ef73d8d8d6
     # via -r requirements-build-win.txt
-pyinstaller==6.11.1 \
-    --hash=sha256:0d6475559c4939f0735122989611d7f739ed3bf02f666ce31022928f7a7e4fda \
-    --hash=sha256:208c0ef6dab0837a0a273ea32d1a3619a208e3d1fe3fec3785eea71a77fd00ce \
-    --hash=sha256:2e8365276c5131c9bef98e358fbc305e4022db8bedc9df479629d6414021956a \
-    --hash=sha256:32c742a24fe65d0702958fadf4040f76de85859c26bec0008766e5dbabc5b68f \
-    --hash=sha256:35e6b8077d240600bb309ed68bb0b1453fd2b7ab740b66d000db7abae6244423 \
-    --hash=sha256:44e36172de326af6d4e7663b12f71dbd34e2e3e02233e181e457394423daaf03 \
-    --hash=sha256:491dfb4d9d5d1d9650d9507daec1ff6829527a254d8e396badd60a0affcb72ef \
-    --hash=sha256:6d12c45a29add78039066a53fb05967afaa09a672426072b13816fe7676abfc4 \
-    --hash=sha256:7ac83c0dc0e04357dab98c487e74ad2adb30e7eb186b58157a8faf46f1fa796f \
-    --hash=sha256:ad84abf465bcda363c1d54eafa76745d77b6a8a713778348377dc98d12a452f7 \
-    --hash=sha256:ddc0fddd75f07f7e423da1f0822e389a42af011f9589e0269b87e0d89aa48c1f \
-    --hash=sha256:e21c7806e34f40181e7606926a14579f848bfb1dc52cbca7eea66eccccbfe977
+pyinstaller==6.16.0 \
+    --hash=sha256:0a48f55b85ff60f83169e10050f2759019cf1d06773ad1c4da3a411cd8751058 \
+    --hash=sha256:53559fe1e041a234f2b4dcc3288ea8bdd57f7cad8a6644e422c27bb407f3edef \
+    --hash=sha256:6d5f8617f3650ff9ef893e2ab4ddbf3c0d23d0c602ef74b5df8fbef4607840c8 \
+    --hash=sha256:73ba72e04fcece92e32518bbb1e1fb5ac2892677943dfdff38e01a06e8742851 \
+    --hash=sha256:7fd1c785219a87ca747c21fa92f561b0d2926a7edc06d0a0fe37f3736e00bd7a \
+    --hash=sha256:b1752488248f7899281b17ca3238eefb5410521291371a686a4f5830f29f52b3 \
+    --hash=sha256:b756ddb9007b8141c5476b553351f9d97559b8af5d07f9460869bfae02be26b0 \
+    --hash=sha256:ba618a61627ee674d6d68e5de084ba17c707b59a4f2a856084b3999bdffbd3f0 \
+    --hash=sha256:bc10eb1a787f99fea613509f55b902fbd2d8b73ff5f51ff245ea29a481d97d41 \
+    --hash=sha256:c8b7ef536711617e12fef4673806198872033fa06fa92326ad7fd1d84a9fa454 \
+    --hash=sha256:d0af8a401de792c233c32c44b16d065ca9ab8262ee0c906835c12bdebc992a64 \
+    --hash=sha256:d1ebf84d02c51fed19b82a8abb4df536923abd55bb684d694e1356e4ae2a0ce5
     # via -r requirements-build.txt
 pyinstaller-hooks-contrib==2025.8 \
     --hash=sha256:3402ad41dfe9b5110af134422e37fc5d421ba342c6cb980bd67cb30b7415641c \
diff --git a/requirements-build.txt b/requirements-build.txt
index af5f472207f3..5b70cdca8525 100644
--- a/requirements-build.txt
+++ b/requirements-build.txt
@@ -1,5 +1,5 @@
 # Requirements we need to run our build jobs for the installers.
 # We create the separation for cases where we're doing installation
 # from a local dependency directory instead of requirements.txt.
-PyInstaller==6.11.1
+PyInstaller==6.16.0
 macholib==1.16.3
diff --git a/requirements-dev-lock.txt b/requirements-dev-lock.txt
index d27ac5072ddd..a9bcdd816ccd 100644
--- a/requirements-dev-lock.txt
+++ b/requirements-dev-lock.txt
@@ -163,19 +163,19 @@ pluggy==1.6.0 \
     # via
     #   pytest
     #   tox
-pyinstaller==6.11.1 \
-    --hash=sha256:0d6475559c4939f0735122989611d7f739ed3bf02f666ce31022928f7a7e4fda \
-    --hash=sha256:208c0ef6dab0837a0a273ea32d1a3619a208e3d1fe3fec3785eea71a77fd00ce \
-    --hash=sha256:2e8365276c5131c9bef98e358fbc305e4022db8bedc9df479629d6414021956a \
-    --hash=sha256:32c742a24fe65d0702958fadf4040f76de85859c26bec0008766e5dbabc5b68f \
-    --hash=sha256:35e6b8077d240600bb309ed68bb0b1453fd2b7ab740b66d000db7abae6244423 \
-    --hash=sha256:44e36172de326af6d4e7663b12f71dbd34e2e3e02233e181e457394423daaf03 \
-    --hash=sha256:491dfb4d9d5d1d9650d9507daec1ff6829527a254d8e396badd60a0affcb72ef \
-    --hash=sha256:6d12c45a29add78039066a53fb05967afaa09a672426072b13816fe7676abfc4 \
-    --hash=sha256:7ac83c0dc0e04357dab98c487e74ad2adb30e7eb186b58157a8faf46f1fa796f \
-    --hash=sha256:ad84abf465bcda363c1d54eafa76745d77b6a8a713778348377dc98d12a452f7 \
-    --hash=sha256:ddc0fddd75f07f7e423da1f0822e389a42af011f9589e0269b87e0d89aa48c1f \
-    --hash=sha256:e21c7806e34f40181e7606926a14579f848bfb1dc52cbca7eea66eccccbfe977
+pyinstaller==6.16.0 \
+    --hash=sha256:0a48f55b85ff60f83169e10050f2759019cf1d06773ad1c4da3a411cd8751058 \
+    --hash=sha256:53559fe1e041a234f2b4dcc3288ea8bdd57f7cad8a6644e422c27bb407f3edef \
+    --hash=sha256:6d5f8617f3650ff9ef893e2ab4ddbf3c0d23d0c602ef74b5df8fbef4607840c8 \
+    --hash=sha256:73ba72e04fcece92e32518bbb1e1fb5ac2892677943dfdff38e01a06e8742851 \
+    --hash=sha256:7fd1c785219a87ca747c21fa92f561b0d2926a7edc06d0a0fe37f3736e00bd7a \
+    --hash=sha256:b1752488248f7899281b17ca3238eefb5410521291371a686a4f5830f29f52b3 \
+    --hash=sha256:b756ddb9007b8141c5476b553351f9d97559b8af5d07f9460869bfae02be26b0 \
+    --hash=sha256:ba618a61627ee674d6d68e5de084ba17c707b59a4f2a856084b3999bdffbd3f0 \
+    --hash=sha256:bc10eb1a787f99fea613509f55b902fbd2d8b73ff5f51ff245ea29a481d97d41 \
+    --hash=sha256:c8b7ef536711617e12fef4673806198872033fa06fa92326ad7fd1d84a9fa454 \
+    --hash=sha256:d0af8a401de792c233c32c44b16d065ca9ab8262ee0c906835c12bdebc992a64 \
+    --hash=sha256:d1ebf84d02c51fed19b82a8abb4df536923abd55bb684d694e1356e4ae2a0ce5
     # via -r requirements-build.txt
 pyinstaller-hooks-contrib==2025.8 \
     --hash=sha256:3402ad41dfe9b5110af134422e37fc5d421ba342c6cb980bd67cb30b7415641c \
diff --git a/requirements/portable-exe-extras.txt b/requirements/portable-exe-extras.txt
index d98df7a7b5fa..79e3227888a4 100644
--- a/requirements/portable-exe-extras.txt
+++ b/requirements/portable-exe-extras.txt
@@ -1,4 +1,4 @@
-pyinstaller==6.11.1
+pyinstaller==6.16.0
 # pyinstaller takes a dependency on importlib_metadata,
 # conditional on the Python version. This generates lockfiles
 # that fail to install on some Python versions supported by v2.