diff --git a/Projects/AnalysisBase/externals.txt b/Projects/AnalysisBase/externals.txt
index 11ac1bd056ab613181ecff8f436daad67244daf9..926d86ecead8ff805be47c7c6b139cff57dfd6ba 100644
--- a/Projects/AnalysisBase/externals.txt
+++ b/Projects/AnalysisBase/externals.txt
@@ -6,4 +6,4 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-AnalysisBaseExternalsVersion = 2.1.24
+AnalysisBaseExternalsVersion = 2.1.25
diff --git a/Projects/AthAnalysis/externals.txt b/Projects/AthAnalysis/externals.txt
index 8b6849b2d1313302d7f5dd3a0102f5b51f543da4..5c9bf5d72d63cc8cda34b809e1c6ec49d02bbb8c 100644
--- a/Projects/AthAnalysis/externals.txt
+++ b/Projects/AthAnalysis/externals.txt
@@ -6,4 +6,4 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-AthAnalysisExternalsVersion = 2.1.24
+AthAnalysisExternalsVersion = 2.1.25
diff --git a/Projects/AthGeneration/externals.txt b/Projects/AthGeneration/externals.txt
index bf5f3ef1d78b9b9013d94aa695baa9bc4c1f04f7..135500ae708e1cf92e956d68b44ec58b5e8a06e9 100644
--- a/Projects/AthGeneration/externals.txt
+++ b/Projects/AthGeneration/externals.txt
@@ -6,4 +6,4 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-AthGenerationExternalsVersion = 2.1.24
+AthGenerationExternalsVersion = 2.1.25
diff --git a/Projects/AthSimulation/externals.txt b/Projects/AthSimulation/externals.txt
index 98c1ce42715fd0bbe0ae32cbe34d8909f4a9c728..c9c77d08dd5fe6722588199daa4b6b69a7b75720 100644
--- a/Projects/AthSimulation/externals.txt
+++ b/Projects/AthSimulation/externals.txt
@@ -6,4 +6,4 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-AthSimulationExternalsVersion = 2.1.24
+AthSimulationExternalsVersion = 2.1.25
diff --git a/Projects/Athena/build_externals.sh b/Projects/Athena/build_externals.sh
index 2f1c0cfce0b545fed58ad8be8e3df78759cf17ac..a82b7fd8ec6850a25603d67cd5e3f021bc118789 100755
--- a/Projects/Athena/build_externals.sh
+++ b/Projects/Athena/build_externals.sh
@@ -12,7 +12,7 @@ ATLAS_BUILDTYPE="RelWithDebInfo"
 ATLAS_EXTRA_CMAKE_ARGS=(-DLCG_VERSION_NUMBER=106
                         -DLCG_VERSION_POSTFIX="_ATLAS_13"
                         -DATLAS_GAUDI_SOURCE="URL;https://gitlab.cern.ch/atlas/Gaudi/-/archive/v39r0.000/Gaudi-v39r0.000.tar.gz;URL_MD5;d6a88e827d52286bed248f7e4fba6b33"
-                        -DATLAS_ACTS_SOURCE="URL;https://github.com/acts-project/acts/archive/refs/tags/v37.0.0.tar.gz;URL_HASH;SHA256=aa633b3b847acaba7cc0a06110648be172a217fbf982aec05003a5189763dbbb"
+                        -DATLAS_ACTS_SOURCE="URL;https://github.com/acts-project/acts/archive/refs/tags/v37.0.1.tar.gz;URL_HASH;SHA256=a18ad3adc3587dccc2a3d7a922250d3d14d8807470ee450ab52f7d14caea5e4b"
                         -DATLAS_GEOMODEL_SOURCE="URL;https://gitlab.cern.ch/GeoModelDev/GeoModel/-/archive/6.5.0/GeoModel-6.5.0.tar.bz2;URL_MD5;e250c0a804e6fa978abdd13165786a8c"
                         -DATLAS_VECMEM_SOURCE="URL;http://cern.ch/atlas-software-dist-eos/externals/vecmem/v1.5.0.tar.gz;https://github.com/acts-project/vecmem/archive/refs/tags/v1.5.0.tar.gz;URL_MD5;3cc5a3bb14b93f611513535173a6be28"
                         -DATLAS_GEANT4_USE_LTO=TRUE
diff --git a/Projects/Athena/externals.txt b/Projects/Athena/externals.txt
index 26bb3934a00a42aff6491b404b4ba8b2ef01bcd2..483df20a1423debb528c225197500777fa65f4a5 100644
--- a/Projects/Athena/externals.txt
+++ b/Projects/Athena/externals.txt
@@ -6,4 +6,4 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-AthenaExternalsVersion = 2.1.24
+AthenaExternalsVersion = 2.1.25
diff --git a/Projects/DetCommon/externals.txt b/Projects/DetCommon/externals.txt
index 2754734fa1346710161c77da361d8840bd9631d2..b583a5ce57bdc15972eb4a744db3732b43be4234 100644
--- a/Projects/DetCommon/externals.txt
+++ b/Projects/DetCommon/externals.txt
@@ -6,4 +6,4 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-AtlasExternalsVersion = 2.1.24
+AtlasExternalsVersion = 2.1.25
diff --git a/Projects/VP1Light/externals.txt b/Projects/VP1Light/externals.txt
index 3e94e79e3edd3a95ef2ead1ac499e9e1a51f3c2d..7a8087130af383cb482ca99c180e6a8bccea5f5e 100644
--- a/Projects/VP1Light/externals.txt
+++ b/Projects/VP1Light/externals.txt
@@ -6,4 +6,4 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-VP1LightExternalsVersion = 2.1.24
+VP1LightExternalsVersion = 2.1.25