diff --git a/Projects/AnalysisBase/externals.txt b/Projects/AnalysisBase/externals.txt
index d897ff2011fb9a8073aace57408f62f7fe604ae6..abee882a4b26d8f8844fa24974e4be1a2540785f 100644
--- a/Projects/AnalysisBase/externals.txt
+++ b/Projects/AnalysisBase/externals.txt
@@ -6,4 +6,4 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-AnalysisBaseExternalsVersion = 2.0.41
+AnalysisBaseExternalsVersion = 2.0.42
diff --git a/Projects/AnalysisTop/externals.txt b/Projects/AnalysisTop/externals.txt
index ee7285c5647e49c9335130406014919eb6d1476d..37f4ce4d0a9933eec5efe6ba340002039549f9cd 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 = 2.0.41
+AnalysisBaseExternalsVersion = 2.0.42
diff --git a/Projects/AthDataQuality/externals.txt b/Projects/AthDataQuality/externals.txt
index 2603ab952f0bfad9b3212c57ca016cae8e6a6fb5..26412e9c751c8dfc6be9cca688107f7fffec449b 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 = 2.0.41
+AtlasExternalsVersion = 2.0.42
diff --git a/Projects/AthSimulation/externals.txt b/Projects/AthSimulation/externals.txt
index c645c8ae80d2e29818e71aade21c1e1b067c142c..64b1323af65b0e976f9443d6a07f5efab2cae62a 100644
--- a/Projects/AthSimulation/externals.txt
+++ b/Projects/AthSimulation/externals.txt
@@ -6,7 +6,7 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-AthSimulationExternalsVersion = 2.0.41
+AthSimulationExternalsVersion = 2.0.42
 
 # The version of atlas/Gaudi to use:
 GaudiVersion = v32r2.002
diff --git a/Projects/Athena/externals.txt b/Projects/Athena/externals.txt
index 0899d972ad5eb7332972560d770994c060b82520..da8fc75e62a2978cd6b540327c7b2be3f08caebc 100644
--- a/Projects/Athena/externals.txt
+++ b/Projects/Athena/externals.txt
@@ -6,7 +6,7 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-AthenaExternalsVersion = 2.0.41
+AthenaExternalsVersion = 2.0.42
 
 # The version of atlas/Gaudi to use:
 GaudiVersion = v32r2.002
diff --git a/Projects/VP1Light/externals.txt b/Projects/VP1Light/externals.txt
index 9eacf8efbcc6b730f2c745a6706dcd66e1ff1c01..47766ee98f11207f82c4696fc2412368f91b9c22 100644
--- a/Projects/VP1Light/externals.txt
+++ b/Projects/VP1Light/externals.txt
@@ -6,4 +6,4 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-VP1LightExternalsVersion = 2.0.41
+VP1LightExternalsVersion = 2.0.42