diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..4611a35
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,10 @@
+version: 2
+
+updates:
+  - package-ecosystem: gitsubmodule
+    schedule:
+        interval: "monthly"
+    directory: /
+    allow:
+      - dependency-name: "Submodules/PelePhysics"
+      - dependency-name: "Submodules/qslim"
diff --git a/.gitmodules b/.gitmodules
index 69f7f33..f5fdd59 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,8 @@
 [submodule "Submodules/PelePhysics"]
 	path = Submodules/PelePhysics
 	url = https://github.com/AMReX-Combustion/PelePhysics.git
+        shallow = true
 [submodule "Submodules/qslim"]
 	path = Submodules/qslim
 	url = https://github.com/AMReX-Combustion/qslim.git
+        shallow = true
diff --git a/Submodules/PelePhysics b/Submodules/PelePhysics
index fe882f0..1e7eb65 160000
--- a/Submodules/PelePhysics
+++ b/Submodules/PelePhysics
@@ -1 +1 @@
-Subproject commit fe882f0833aa31136b2054ebc30a63cb20528b20
+Subproject commit 1e7eb65eb6fa13afc8dc036c5b7d0eba9b970957