diff -U2 -r /var/lib/copr-rpmbuild/results/openmw-git/upstream-unpacked/Source0/openmw-master/CI/deps_versions.msvc.sh /var/lib/copr-rpmbuild/results/openmw-git/srpm-unpacked/openmw-master.tar.bz2-extract/openmw-master/CI/deps_versions.msvc.sh
--- /var/lib/copr-rpmbuild/results/openmw-git/upstream-unpacked/Source0/openmw-master/CI/deps_versions.msvc.sh	2026-10-10 23:04:58.000000000 +0000
+++ /var/lib/copr-rpmbuild/results/openmw-git/srpm-unpacked/openmw-master.tar.bz2-extract/openmw-master/CI/deps_versions.msvc.sh	2026-10-10 15:31:52.000000000 +0000
@@ -1,3 +1,3 @@
 # You must not quote any of these, they are piped to GitHub Action's ENV in addition to Gitlab CI.
 QT_VER=6.6.3
-VCPKG_TAG=2026-10-10
+VCPKG_TAG=2026-09-09
diff -U2 -r /var/lib/copr-rpmbuild/results/openmw-git/upstream-unpacked/Source0/openmw-master/CI/macos/deps_versions.sh /var/lib/copr-rpmbuild/results/openmw-git/srpm-unpacked/openmw-master.tar.bz2-extract/openmw-master/CI/macos/deps_versions.sh
--- /var/lib/copr-rpmbuild/results/openmw-git/upstream-unpacked/Source0/openmw-master/CI/macos/deps_versions.sh	2026-10-10 23:04:58.000000000 +0000
+++ /var/lib/copr-rpmbuild/results/openmw-git/srpm-unpacked/openmw-master.tar.bz2-extract/openmw-master/CI/macos/deps_versions.sh	2026-10-10 15:31:52.000000000 +0000
@@ -1,2 +1,2 @@
-VCPKG_TAG='2026-10-10'
+VCPKG_TAG='2026-09-17'
 QT_VER='6.11.2'
diff -U2 -r /var/lib/copr-rpmbuild/results/openmw-git/upstream-unpacked/Source0/openmw-master/extern/CMakeLists.txt /var/lib/copr-rpmbuild/results/openmw-git/srpm-unpacked/openmw-master.tar.bz2-extract/openmw-master/extern/CMakeLists.txt
--- /var/lib/copr-rpmbuild/results/openmw-git/upstream-unpacked/Source0/openmw-master/extern/CMakeLists.txt	2026-10-10 23:04:58.000000000 +0000
+++ /var/lib/copr-rpmbuild/results/openmw-git/srpm-unpacked/openmw-master.tar.bz2-extract/openmw-master/extern/CMakeLists.txt	2026-10-10 15:31:52.000000000 +0000
@@ -32,8 +32,9 @@
     endif()
 
+    # May 7, 2021
     include(FetchContent)
     FetchContent_Declare(bullet
-        URL https://github.com/bulletphysics/bullet3/archive/refs/tags/3.25.tar.gz
-        URL_HASH SHA512=7086e5fcf69635801bb311261173cb8d173b712ca1bd78be03df48fad884674e85512861190e45a1a62d5627aaad65cde08c175c44a3be9afa410d3dfd5358d4
+        URL https://github.com/bulletphysics/bullet3/archive/refs/tags/3.17.tar.gz
+        URL_HASH SHA512=a5105bf5f1dd365a64a350755c7d2c97942f74897a18dcdb3651e6732fd55cc1030a096f5808cf50575281f05e3ac09aa50a48d271a47b94cd61f5167a72b7cc
         SOURCE_DIR fetched/bullet
     )
@@ -130,6 +131,6 @@
     include(FetchContent)
     FetchContent_Declare(osg
-        URL https://github.com/OpenMW/osg/archive/9b384d5439977784e5cd250ff8ff7966928ddd27.zip
-        URL_HASH SHA512=ec9c0975e1d70a30fe68695c7a87cdbe86f69592488c77ece8222c6f089c7ac45b118616c8b6c045e74baf9ee8338243fc46c35d458a5ea4d98f1cea64fb44d6
+        URL https://github.com/OpenMW/osg/archive/01cc2b585c8456a4ff843066b7e1a8715558289f.zip
+        URL_HASH SHA512=9b0a94c1c1d99c767f1857629d43c7a53bfcb74ef760993a121567831e168a1ebbfc10b0c67d7f2241c7b6c6dab2d0e6b876d9f17aca0fabe1a8c86b2279f956
         SOURCE_DIR fetched/osg
     )