diff --git a/.github/workflows/haskell.yml b/.github/workflows/haskell.yml
index ec44f60..c4eff6b 100644
--- a/.github/workflows/haskell.yml
+++ b/.github/workflows/haskell.yml
@@ -15,6 +15,9 @@ jobs:
         - 'lts-13'
         - 'lts-14'
         - 'lts-15'
+        - 'lts-16'
+        - 'lts-17'
+        - 'lts-18'
    
     runs-on: ubuntu-latest
 
diff --git a/stack.yaml b/stack.yaml
index e849c31..2985556 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -3,4 +3,4 @@ extra-package-dbs: []
 packages:
 - '.'
 extra-deps: []
-resolver: lts-15.10
+resolver: lts-18.0
diff --git a/stack.yaml.lock b/stack.yaml.lock
index 8d62222..93eb45b 100644
--- a/stack.yaml.lock
+++ b/stack.yaml.lock
@@ -6,7 +6,7 @@
 packages: []
 snapshots:
 - completed:
-    size: 523700
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/14/7.yaml
-    sha256: 8e3f3c894be74d71fa4bf085e0a8baae7e4d7622d07ea31a52736b80f8b9bb1a
-  original: lts-14.7
+    size: 585393
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/18/0.yaml
+    sha256: c632012da648385b9fa3c29f4e0afd56ead299f1c5528ee789058be410e883c0
+  original: lts-18.0