diff --git a/external/InstallAnalysisTree.cmake b/external/InstallAnalysisTree.cmake
index 170327c0d8841bf156d15e6710aae6020a15e626..3ca9c626ebaf83300668bb15f35198c8a6f5d732 100644
--- a/external/InstallAnalysisTree.cmake
+++ b/external/InstallAnalysisTree.cmake
@@ -1,4 +1,4 @@
-set(ANALYSISTREE_VERSION v2.1.0)
+set(ANALYSISTREE_VERSION 16de36dc21744aa553a9470084af9c34da0d379b)  #v2.1.0
 
 set(ANALYSISTREE_SRC_URL "https://github.com/HeavyIonAnalysis/AnalysisTree.git")
 set(ANALYSISTREE_DESTDIR "${CMAKE_BINARY_DIR}/external/ANALYSISTREE-prefix")
diff --git a/external/InstallAnalysisTreeQA.cmake b/external/InstallAnalysisTreeQA.cmake
index 113718511112eaa7849d8f41c3134f3cfb1340b2..8b57eb3067d78bf783bd0571532889c99d7dc7c9 100644
--- a/external/InstallAnalysisTreeQA.cmake
+++ b/external/InstallAnalysisTreeQA.cmake
@@ -1,4 +1,4 @@
-set(ANALYSISTREEQA_VERSION v2.0.0)
+set(ANALYSISTREEQA_VERSION 76e75a57826c5f4c9ee558328f0e4ab369b9bc78) #v2.0.1
 
 set(ANALYSISTREEQA_SRC_URL "https://github.com/HeavyIonAnalysis/AnalysisTreeQA.git")
 set(ANALYSISTREEQA_DESTDIR "${CMAKE_BINARY_DIR}/external/ANALYSISTREEQA-prefix")