diff --git a/.DS_Store b/.DS_Store
deleted file mode 100644
index 5008ddfc..00000000
Binary files a/.DS_Store and /dev/null differ
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..299de158
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+/bin
+/target
+/output
+.DS_Store
\ No newline at end of file
diff --git a/jsprit-analysis/.gitignore b/jsprit-analysis/.gitignore
index 8bcd07dd..299de158 100644
--- a/jsprit-analysis/.gitignore
+++ b/jsprit-analysis/.gitignore
@@ -1,3 +1,4 @@
 /bin
 /target
-/output
\ No newline at end of file
+/output
+.DS_Store
\ No newline at end of file
diff --git a/jsprit-core/.DS_Store b/jsprit-core/.DS_Store
deleted file mode 100644
index b365a10f..00000000
Binary files a/jsprit-core/.DS_Store and /dev/null differ
diff --git a/jsprit-core/.gitignore b/jsprit-core/.gitignore
index 8bcd07dd..299de158 100644
--- a/jsprit-core/.gitignore
+++ b/jsprit-core/.gitignore
@@ -1,3 +1,4 @@
 /bin
 /target
-/output
\ No newline at end of file
+/output
+.DS_Store
\ No newline at end of file
diff --git a/jsprit-examples/.gitignore b/jsprit-examples/.gitignore
index 4febb543..d82d78f6 100644
--- a/jsprit-examples/.gitignore
+++ b/jsprit-examples/.gitignore
@@ -1,4 +1,4 @@
 /output
 /bin
 /target
-
+.DS_Store
diff --git a/jsprit-instances/.DS_Store b/jsprit-instances/.DS_Store
deleted file mode 100644
index 5008ddfc..00000000
Binary files a/jsprit-instances/.DS_Store and /dev/null differ
diff --git a/jsprit-instances/.gitignore b/jsprit-instances/.gitignore
index 8bcd07dd..299de158 100644
--- a/jsprit-instances/.gitignore
+++ b/jsprit-instances/.gitignore
@@ -1,3 +1,4 @@
 /bin
 /target
-/output
\ No newline at end of file
+/output
+.DS_Store
\ No newline at end of file