diff --git a/pandoc.cabal b/pandoc.cabal
index 71d2058f3..1fce2ec93 100644
--- a/pandoc.cabal
+++ b/pandoc.cabal
@@ -408,7 +408,7 @@ library
                  hslua-module-text >= 0.2 && < 0.3,
                  binary >= 0.5 && < 0.11,
                  SHA >= 1.6 && < 1.7,
-                 haddock-library >= 1.7 && < 1.9,
+                 haddock-library >= 1.8 && < 1.9,
                  deepseq >= 1.3 && < 1.5,
                  JuicyPixels >= 3.1.6.1 && < 3.4,
                  Glob >= 0.7 && < 0.11,
diff --git a/stack.yaml b/stack.yaml
index d29fbe8f9..6bcd8f36e 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -14,6 +14,7 @@ extra-deps:
 - pandoc-citeproc-0.16.3
 - pandoc-types-1.17.6.1
 - texmath-0.11.3
+- haddock-library-1.8.0
 - skylighting-0.8.2.3
 - skylighting-core-0.8.2.3
 - regex-pcre-builtin-0.95.0.8.8.35