diff --git a/Projects/AnalysisBase/externals.txt b/Projects/AnalysisBase/externals.txt
index 878b7ff7a69a0c0c2f40dd4a1f9c0d0b999087a9..5d6572045ad6d17b9d902af62e347638f0907e78 100644
--- a/Projects/AnalysisBase/externals.txt
+++ b/Projects/AnalysisBase/externals.txt
@@ -6,4 +6,4 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-AnalysisBaseExternalsVersion = 2.0.51
+AnalysisBaseExternalsVersion = 2.0.52
diff --git a/Projects/AnalysisTop/externals.txt b/Projects/AnalysisTop/externals.txt
index 1b9515a2e2bfb8bb90cf4d97d5599781aa469e6d..39e195b904c82c3d64e6c9d015bf38b38ef19e16 100644
--- a/Projects/AnalysisTop/externals.txt
+++ b/Projects/AnalysisTop/externals.txt
@@ -1,4 +1,4 @@
 # Versions of the various externals to build before starting the build of
 # this project, when doing a full stack nightly build.
 
-AnalysisBaseExternalsVersion = 2.0.51
+AnalysisBaseExternalsVersion = 2.0.52
diff --git a/Projects/AthDataQuality/externals.txt b/Projects/AthDataQuality/externals.txt
index f587d8f32766542f8930f2b1196649ca6dbd001b..0fd5ee33df4f5366c409f03e3261b439963fc234 100644
--- a/Projects/AthDataQuality/externals.txt
+++ b/Projects/AthDataQuality/externals.txt
@@ -5,4 +5,4 @@
 # an "origin/" prefix before it. For tags however this is explicitly
 # forbidden.
 
-AtlasExternalsVersion = 2.0.51
+AtlasExternalsVersion = 2.0.52
diff --git a/Projects/AthSimulation/externals.txt b/Projects/AthSimulation/externals.txt
index b406aed6ff96caec50f672c81c47e2300957218e..a85a262ede8d867132d67a1cf21d8a4c1e0e8b17 100644
--- a/Projects/AthSimulation/externals.txt
+++ b/Projects/AthSimulation/externals.txt
@@ -6,7 +6,7 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-AthSimulationExternalsVersion = 2.0.51
+AthSimulationExternalsVersion = 2.0.52
 
 # The version of atlas/Gaudi to use:
 GaudiVersion = v33r0.001
diff --git a/Projects/Athena/externals.txt b/Projects/Athena/externals.txt
index 3c4cd821a0d03894a6c261c0feb0f741e03d6ba2..976d4556894158208401a1465ba5b80797a4a1df 100644
--- a/Projects/Athena/externals.txt
+++ b/Projects/Athena/externals.txt
@@ -6,7 +6,7 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-AthenaExternalsVersion = 2.0.51
+AthenaExternalsVersion = 2.0.52
 
 # The version of atlas/Gaudi to use:
 GaudiVersion = v33r0.001
diff --git a/Projects/VP1Light/externals.txt b/Projects/VP1Light/externals.txt
index 402f86e3f327d4f553113d0e5d270b42c1ae8b39..f6fd630c23157abcb2b797cda4c8993b34579155 100644
--- a/Projects/VP1Light/externals.txt
+++ b/Projects/VP1Light/externals.txt
@@ -6,4 +6,4 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-VP1LightExternalsVersion = 2.0.49
+VP1LightExternalsVersion = 2.0.52