diff --git a/blog-meta/blog-meta.cabal b/blog-meta/blog-meta.cabal
index 34e7c87..8fa2060 100644
--- a/blog-meta/blog-meta.cabal
+++ b/blog-meta/blog-meta.cabal
@@ -9,16 +9,14 @@ common deps
   default-language: GHC2024
   default-extensions:
     BlockArguments,
-    DuplicateRecordFields,
     OverloadedStrings,
     OverloadedLists,
-    NondecreasingIndentation,
     RecordWildCards,
     ViewPatterns
   build-depends:
     base >= 4.14.2.0 && < 4.21,
-    mtl,
-    transformers,
+    mtl ^>= 2.3.1,
+    transformers ^>= 0.6.1.1,
     HsYAML ^>= 0.2.1.0,
     bytestring ^>= 0.11.4.0,
     containers ^>= 0.6.4.1,
@@ -28,8 +26,6 @@ common deps
     pandoc-types ^>= 1.23,
     text >= 2 && < 2.2,
     time ^>= 1.9.3
-  build-tool-depends:
-    langfilter:langfilter
   ghc-options: -Wall
 
 common exe