diff --git a/Projects/AnalysisBase/externals.txt b/Projects/AnalysisBase/externals.txt
index 7d68682b44ec151285c13c06dee5823e3a290bc2..1021a5d76ac96d957dfbbd0b89e2a8fc15143049 100644
--- a/Projects/AnalysisBase/externals.txt
+++ b/Projects/AnalysisBase/externals.txt
@@ -6,4 +6,4 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-AnalysisBaseExternalsVersion = 2.0.17
+AnalysisBaseExternalsVersion = 2.0.18
diff --git a/Projects/AnalysisTop/externals.txt b/Projects/AnalysisTop/externals.txt
index 8dae2256cecb0081e9b22e07dbe8c45e6b38e11c..6d12e1657a81bf39e18d38294bcd0ba97cf4fee4 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 = 2.0.17
+AnalysisBaseExternalsVersion = 2.0.18
diff --git a/Projects/AthDataQuality/externals.txt b/Projects/AthDataQuality/externals.txt
index ccb4bdedc50bfb08d9b72f7b69c660dbdc086f24..3ca0df3e178246bdb92e8ed9440620a3989f5a4b 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 = 2.0.17
+AtlasExternalsVersion = 2.0.18
diff --git a/Projects/AthSimulation/externals.txt b/Projects/AthSimulation/externals.txt
index f3b864223fb8f426c611f1b766000330c60a2108..127679a311c11ea14be657e1fbe90c1af7293b14 100644
--- a/Projects/AthSimulation/externals.txt
+++ b/Projects/AthSimulation/externals.txt
@@ -6,7 +6,7 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-AthSimulationExternalsVersion = 2.0.17
+AthSimulationExternalsVersion = 2.0.18
 
 # The version of atlas/Gaudi to use:
 GaudiVersion = v31r0.000
diff --git a/Projects/Athena/externals.txt b/Projects/Athena/externals.txt
index 53d70f431462892e2ede812af85cf0ed8ce69eb5..099415cc15c0b88660ceceffe0f2862fbd052b86 100644
--- a/Projects/Athena/externals.txt
+++ b/Projects/Athena/externals.txt
@@ -6,7 +6,7 @@
 # forbidden.
 
 # The version of atlas/atlasexternals to use:
-AthenaExternalsVersion = 2.0.17
+AthenaExternalsVersion = 2.0.18
 
 # The version of atlas/Gaudi to use: 
 GaudiVersion = v31r0.000