diff --git a/Projects/AthGeneration/externals.txt b/Projects/AthGeneration/externals.txt
index cf4157aa47207b85aaf09065467d7d8aa280c9b0..8ca2061a961b362875deb87c560875042ab14c17 100644
--- a/Projects/AthGeneration/externals.txt
+++ b/Projects/AthGeneration/externals.txt
@@ -9,4 +9,4 @@
 AthGenerationExternalsVersion = 2.0.79
 
 # The version of atlas/Gaudi to use:
-GaudiVersion = v34r0.004
+GaudiVersion = v34r0.005
diff --git a/Projects/AthSimulation/externals.txt b/Projects/AthSimulation/externals.txt
index aad2056a93f5ead608687b48dd8cb949fe7633be..5fa9b8f3cb86bd23a8094d5634e33d37903eeb00 100644
--- a/Projects/AthSimulation/externals.txt
+++ b/Projects/AthSimulation/externals.txt
@@ -9,4 +9,4 @@
 AthSimulationExternalsVersion = 2.0.79
 
 # The version of atlas/Gaudi to use:
-GaudiVersion = v34r0.004
+GaudiVersion = v34r0.005
diff --git a/Projects/Athena/externals.txt b/Projects/Athena/externals.txt
index 109064ca92e21533984ca2854308ed86c229c075..8186ac440d888a0fa3af5ffd32506eda8fee12c3 100644
--- a/Projects/Athena/externals.txt
+++ b/Projects/Athena/externals.txt
@@ -9,4 +9,4 @@
 AthenaExternalsVersion = 2.0.79
 
 # The version of atlas/Gaudi to use:
-GaudiVersion = v34r0.004
+GaudiVersion = v34r0.005