diff --git a/curry-frontend.cabal b/curry-frontend.cabal
index 918d1a056e2ce1f54d8985f13f1f06cc34e3e6a5..bc2899c3382da9fef0a24f70f20ccce5c5d2555a 100644
--- a/curry-frontend.cabal
+++ b/curry-frontend.cabal
@@ -40,7 +40,7 @@ library
   ghc-options:      -Wall
   build-depends:
       base             >= 4.11  && < 4.15
-    , template-haskell >= 2.10  && < 2.16
+    , template-haskell >= 2.10  && < 2.18
     , extra            >= 1.4.6 && < 1.8
     , transformers     >= 0.5   && < 0.6
     , mtl              >= 2.2   && < 2.3
diff --git a/stack.yaml b/stack.yaml
index 3e8d3d9bbbdaf708707a12a7ca3a4297a6787f4d..db2e66aeea9c01fd9268f4d6d991ee95a59d79f4 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,4 +1,4 @@
-resolver: lts-16.9
+resolver: lts-18.14
 packages:
   - .
 extra-deps:
diff --git a/stack.yaml.lock b/stack.yaml.lock
index 79f8a6e4951035cfdb25dd70393396f87cccbf16..76dcc6c5aff4f17dded70cd0b7db3ae08cae6a7b 100644
--- a/stack.yaml.lock
+++ b/stack.yaml.lock
@@ -7,13 +7,13 @@ packages:
 - completed:
     hackage: set-extra-1.4.1@sha256:c58aa620704f609f289953e7c1f9c1653fd1498f0984b0f03a3f8f38f7ed5a84,533
     pantry-tree:
-      size: 268
       sha256: 3b6f94160b9d868f341d841de0e3e9f354ae90b5817b171e2bb68fd67cf2790c
+      size: 268
   original:
     hackage: set-extra-1.4.1
 snapshots:
 - completed:
-    size: 532380
-    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/16/9.yaml
-    sha256: 14a7cec114424e4286adde73364438927a553ed248cc50f069a30a67e3ee1e69
-  original: lts-16.9
+    sha256: 87842ecbaa8ca9cee59a7e6be52369dbed82ed075cb4e0d152614a627e8fd488
+    size: 586069
+    url: https://raw.githubusercontent.com/commercialhaskell/stackage-snapshots/master/lts/18/14.yaml
+  original: lts-18.14