diff --git a/pandoc-lua-engine/pandoc-lua-engine.cabal b/pandoc-lua-engine/pandoc-lua-engine.cabal
index 2e2c1fa6b084..73a15e77e8fd 100644
--- a/pandoc-lua-engine/pandoc-lua-engine.cabal
+++ b/pandoc-lua-engine/pandoc-lua-engine.cabal
@@ -114,7 +114,7 @@ library
                      , hslua-module-version  >= 1.1     && < 1.2
                      , hslua-module-zip      >= 1.1     && < 1.2
                      , hslua-repl            >= 0.1.1   && < 0.2
-                     , lpeg                  >= 1.0.4   && < 1.1
+                     , lpeg                  >= 1.1     && < 1.2
                      , mtl                   >= 2.2     && < 2.4
                      , pandoc                >= 3.1.4   && < 3.2
                      , pandoc-lua-marshal    >= 0.2.2   && < 0.3
diff --git a/stack.yaml b/stack.yaml
index 336f457a9aad..fca1b6c1bebd 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -12,6 +12,7 @@ extra-deps:
 - hslua-cli-1.4.1
 - hslua-module-zip-1.1.0
 - hslua-repl-0.1.1
+- lpeg-1.1.0
 - crypton-connection-0.3.1
 - crypton-x509-1.7.6
 - crypton-x509-store-1.6.9