diff --git a/.gitignore b/.gitignore
index 937ea061..ee0f53dd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+ .github_meta.log
 */*.pyc
 */*/*.pyc
 */*/*/*.pyc
@@ -12,3 +13,5 @@ tools/SampleAnalyzer/Test/Makefile_*
 */*/*.log
 doc/??????_mode.log
 doc/??????_mode.pdf
+.DS_Store
+ANALYSIS_*
diff --git a/bin/ma5 b/bin/ma5
index af7c02b6..c3abe289 100755
--- a/bin/ma5
+++ b/bin/ma5
@@ -68,8 +68,8 @@ sys.path.insert(0, servicedir)
 
 # Release version
 # Do not touch it !!!!!  
-version = "1.10.8"
-date = "2023/02/02"
+version = "1.10.9"
+date = "2023/02/07"
 
 # Loading the MadAnalysis session
 import madanalysis.core.launcher
diff --git a/doc/releases/changelog-v1.10.md b/doc/releases/changelog-v1.10.md
index bbf85094..5e11b6eb 100644
--- a/doc/releases/changelog-v1.10.md
+++ b/doc/releases/changelog-v1.10.md
@@ -119,6 +119,10 @@
  * Fixed an attribute misspelling in `ObservableBase`.
    ([#171](https://github.com/MadAnalysis/madanalysis5/pull/171)) 
 
+ * Update of the version of Delphes/DelphesMa5tune + compatibility with M1 chips and Mac OS 13.0.
+   ([#173](https://github.com/orgs/MadAnalysis/discussions/173))
+
+
 ## Contributors
 
 This release contains contributions from (in alphabetical order):
diff --git a/madanalysis/install/install_delphes.py b/madanalysis/install/install_delphes.py
index e82bbf7c..a4329f86 100644
--- a/madanalysis/install/install_delphes.py
+++ b/madanalysis/install/install_delphes.py
@@ -50,11 +50,9 @@ def __init__(self,main,package):
         self.untardir    = os.path.join(self.tmpdir, 'MA5_'+self.package)
         self.ncores      = 1
         if package == 'delphesma5tune':
-            self.files = {package+".tar.gz" : "https://madanalysis.irmp.ucl.ac.be/raw-attachment/wiki/MA5SandBox/delphes-3.5.0.tar.gz"}
+            self.files = {package+".tar.gz" : "https://madanalysis.irmp.ucl.ac.be/raw-attachment/wiki/MA5SandBox/delphes3.5.0.tar.gz"}
         else:
-#             self.files = {package+".tar.gz" : "https://madanalysis.irmp.ucl.ac.be/raw-attachment/wiki/WikiStart/delphes342pre.tar.gz"} # Delphes for LLP not release yet
-#            self.files = {package+".tar.gz" : "http://cp3.irmp.ucl.ac.be/downloads/Delphes-3.4.2.tar.gz"}
-            self.files = {package+".tar.gz" : "https://madanalysis.irmp.ucl.ac.be/raw-attachment/wiki/MA5SandBox/delphes3.4.3.tar.gz"}
+            self.files = {package+".tar.gz" : "https://madanalysis.irmp.ucl.ac.be/raw-attachment/wiki/MA5SandBox/delphes3.5.0.tar.gz"}
         self.logger = logging.getLogger('MA5')
 
 
@@ -119,7 +117,7 @@ def Unpack(self):
         if self.package == 'delphesMA5tune':
             # Copying the patch
             self.logger.debug('Copying the patch ...')
-            input=self.toolsdir+'/SampleAnalyzer/Interfaces/delphesMA5tune/patch_delphesMA5tune.tgz'
+            input=self.toolsdir+'/SampleAnalyzer/Interfaces/delphesMA5tune/patch_delphesMA5tune_v35.tgz'
             output=packagedir+'/patch_delphesMA5tune.tgz'
             try:
                 shutil.copy(input,output)
diff --git a/madanalysis/system/checkup.py b/madanalysis/system/checkup.py
index 71f675f0..9b797251 100644
--- a/madanalysis/system/checkup.py
+++ b/madanalysis/system/checkup.py
@@ -532,6 +532,13 @@ def SetFolder(self):
         self.logger.debug('after DYLD_LIBRARY_PATH='+str(os.environ['DYLD_LIBRARY_PATH']))
         self.logger.debug('--------')
 
+        # ROOT INCLUDE PATH
+        if self.archi_info.has_delphes:
+            os.environ['ROOT_INCLUDE_PATH']=os.path.join(self.archi_info.ma5dir,'tools','delphes','external');
+        if self.archi_info.has_delphesMA5tune:
+            os.environ['ROOT_INCLUDE_PATH']=os.path.join(self.archi_info.ma5dir,'tools','delphesMA5tune','external');
+
+
         self.logger.debug('-------- END: set environment variables --------')
 
         return True
diff --git a/tools/SampleAnalyzer/Commons/Base/Configuration.cpp b/tools/SampleAnalyzer/Commons/Base/Configuration.cpp
index d084695e..49bcfd71 100644
--- a/tools/SampleAnalyzer/Commons/Base/Configuration.cpp
+++ b/tools/SampleAnalyzer/Commons/Base/Configuration.cpp
@@ -40,8 +40,8 @@ using namespace MA5;
 // Initializing static data members
 // -----------------------------------------------------------------------------
 // DO NOT TOUCH THESE LINES
-const std::string Configuration::sampleanalyzer_version_ = "1.10.8";
-const std::string Configuration::sampleanalyzer_date_    = "2023/02/02";
+const std::string Configuration::sampleanalyzer_version_ = "1.10.9";
+const std::string Configuration::sampleanalyzer_date_    = "2023/02/07";
 // DO NOT TOUCH THESE LINES
 
 // -----------------------------------------------------------------------------
diff --git a/tools/SampleAnalyzer/Interfaces/delphesMA5tune/patch_delphesMA5tune.tgz b/tools/SampleAnalyzer/Interfaces/delphesMA5tune/patch_delphesMA5tune.tgz
deleted file mode 100644
index 94e2c138..00000000
Binary files a/tools/SampleAnalyzer/Interfaces/delphesMA5tune/patch_delphesMA5tune.tgz and /dev/null differ
diff --git a/tools/SampleAnalyzer/Interfaces/delphesMA5tune/patch_delphesMA5tune_v35.tgz b/tools/SampleAnalyzer/Interfaces/delphesMA5tune/patch_delphesMA5tune_v35.tgz
new file mode 100644
index 00000000..153698d6
Binary files /dev/null and b/tools/SampleAnalyzer/Interfaces/delphesMA5tune/patch_delphesMA5tune_v35.tgz differ