diff --git a/src/external/MusrRoot/CMakeLists.txt b/src/external/MusrRoot/CMakeLists.txt
index d30cac56..1a0e9eca 100644
--- a/src/external/MusrRoot/CMakeLists.txt
+++ b/src/external/MusrRoot/CMakeLists.txt
@@ -22,7 +22,7 @@ set(prefix "${CMAKE_INSTALL_PREFIX}")
 set(exec_prefix "\$\{prefix\}")
 set(libdir "\$\{exec_prefix\}/lib")
 set(includedir "\$\{prefix\}/include")   
-set(MUSR_ROOT_VERSION "1.0.0")
+set(MUSR_ROOT_VERSION "1.1.0")
 set(MUSR_ROOT_LIBRARY_NAME "TMusrRunHeader")
 configure_file("TMusrRunHeader.pc.in" "TMusrRunHeader.pc" @ONLY)
 
diff --git a/src/external/MusrRoot/TMusrRunHeader.cpp b/src/external/MusrRoot/TMusrRunHeader.cpp
index 6806fdf4..040a2906 100644
--- a/src/external/MusrRoot/TMusrRunHeader.cpp
+++ b/src/external/MusrRoot/TMusrRunHeader.cpp
@@ -395,6 +395,23 @@ Bool_t TMusrRunHeader::FillFolder(TFolder *folder)
   return true;
 }
 
+//--------------------------------------------------------------------------
+// FillDirectory (public)
+//--------------------------------------------------------------------------
+/**
+ * <p>Fills the RunHeader directory. This is needed to write it to a ROOT file.
+ * It walks through all information and attaches it to the directory or replaces
+ * it, if it is already present.
+ *
+ * \param dir to be filled
+ */
+Bool_t TMusrRunHeader::FillDirectory(TDirectoryFile *dir)
+{
+  // NOT YET IMPLEMENTED
+
+  return true;
+}
+
 //--------------------------------------------------------------------------
 // GetTypeOfPath (public)
 //--------------------------------------------------------------------------
@@ -873,6 +890,22 @@ Bool_t TMusrRunHeader::ExtractAll(TFolder *folder)
   return true;
 }
 
+//--------------------------------------------------------------------------
+// ExtractAll (public)
+//--------------------------------------------------------------------------
+/**
+ * <p>Reads all data from an open ROOT-file structure and feeds all the necessary
+ * internal data objects.
+ *
+ * \param dir
+ */
+Bool_t TMusrRunHeader::ExtractAll(TDirectoryFile *dir)
+{
+  // NOT YET IMPLEMENTED
+
+  return true;
+}
+
 //--------------------------------------------------------------------------
 // ExtractHeaderInformation (public)
 //--------------------------------------------------------------------------
diff --git a/src/external/MusrRoot/TMusrRunHeader.h b/src/external/MusrRoot/TMusrRunHeader.h
index b3afb61c..7456897c 100644
--- a/src/external/MusrRoot/TMusrRunHeader.h
+++ b/src/external/MusrRoot/TMusrRunHeader.h
@@ -38,6 +38,7 @@
 #include <TObjString.h>
 #include <TObjArray.h>
 #include <TFolder.h>
+#include <TDirectoryFile.h>
 
 #define MRH_UNDEFINED -9.99e99
 
@@ -129,8 +130,10 @@ public:
   virtual TString GetFileName() { return fFileName; }
 
   virtual Bool_t FillFolder(TFolder *folder);
+  virtual Bool_t FillDirectory(TDirectoryFile *dir);
 
   virtual Bool_t ExtractAll(TFolder *folder);
+  virtual Bool_t ExtractAll(TDirectoryFile *folder);
   virtual Bool_t ExtractHeaderInformation(TObjArray *headerInfo, TString path);
 
   virtual TString GetTypeOfPath(TString pathName);