diff --git a/.circleci/config.yml b/.circleci/config.yml
index cc09ab0..0c60028 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,7 +3,7 @@ version: 2.1
 jobs:
   test:
     docker:
-      - image: rust:1.42-slim-buster
+      - image: rust:1.56-slim-buster
     steps:
       - checkout
       - run:
@@ -19,7 +19,7 @@ jobs:
 
   publish:
     docker:
-      - image: rust:1.42-slim-buster
+      - image: rust:1.56-slim-buster
     steps:
       - checkout
       - run:
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..2f3bc79
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,8 @@
+version: 2
+updates:
+- package-ecosystem: cargo
+  open-pull-requests-limit: 25
+  directory: /
+  registries: []
+  schedule:
+    interval: daily
diff --git a/Cargo.toml b/Cargo.toml
index 32561df..320dfd1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,10 +19,10 @@ circle-ci = { repository = "HewlettPackard/prometheus-parser-rs", branch = "mast
 
 [dependencies]
 pest = "2.1"
-pest_consume = "1.0"
+pest_consume = "1.1"
 pest_derive = "2.1"
-pest_consume_macros = "1.0"
-enquote = "1.0"
+pest_consume_macros = "1.1"
+enquote = "1.1"
 lazy_static = "1"
 
 [dev-dependencies]