diff --git a/Projects/AnalysisBase/externals.txt b/Projects/AnalysisBase/externals.txt
index 4ec0414bd4d801b30378d20cd384232f74879c50..9bef68dd7b8d9ce7a1e7dde91de056cc15c86988 100644
--- a/Projects/AnalysisBase/externals.txt
+++ b/Projects/AnalysisBase/externals.txt
@@ -6,4 +6,4 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-AnalysisBaseExternalsVersion = 2.0.90
+AnalysisBaseExternalsVersion = 2.0.91
diff --git a/Projects/AthDataQuality/externals.txt b/Projects/AthDataQuality/externals.txt
index 5141252246f8fd8ff2561e89802cd4bb77b26715..bbd29140dc219168b6cc21f800d389236c206ed1 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 = 2.0.90
+AtlasExternalsVersion = 2.0.91
diff --git a/Projects/AthGeneration/externals.txt b/Projects/AthGeneration/externals.txt
index dc545047f3870bce8c42acbcb274769ff1f821b3..01fafdea60a6a55cdaf5c771ce053a5e68b60a8a 100644
--- a/Projects/AthGeneration/externals.txt
+++ b/Projects/AthGeneration/externals.txt
@@ -6,4 +6,4 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-AthGenerationExternalsVersion = 2.0.90
+AthGenerationExternalsVersion = 2.0.91
diff --git a/Projects/AthSimulation/externals.txt b/Projects/AthSimulation/externals.txt
index eaf24ab1c09b132aa3942cc2b9afd461b41093cb..69948802cf33ebba34d044f96147edbce5e9767f 100644
--- a/Projects/AthSimulation/externals.txt
+++ b/Projects/AthSimulation/externals.txt
@@ -6,4 +6,4 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-AthSimulationExternalsVersion = 2.0.90
+AthSimulationExternalsVersion = 2.0.91
diff --git a/Projects/Athena/externals.txt b/Projects/Athena/externals.txt
index 28ba0c3ab38331db77546dd89e1004d47fcaa658..1064a77cbab600769747fc352a714797fa96d3b3 100644
--- a/Projects/Athena/externals.txt
+++ b/Projects/Athena/externals.txt
@@ -6,4 +6,4 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-AthenaExternalsVersion = 2.0.90
+AthenaExternalsVersion = 2.0.91
diff --git a/Projects/VP1Light/externals.txt b/Projects/VP1Light/externals.txt
index cbd6d6e8c4a5d7a77c69531334e32a53facce0ec..954c138d8e4972e49a53d0931c67af028fffb024 100644
--- a/Projects/VP1Light/externals.txt
+++ b/Projects/VP1Light/externals.txt
@@ -6,4 +6,4 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-VP1LightExternalsVersion = 2.0.90
+VP1LightExternalsVersion = 2.0.91