diff --git a/docs/Project.toml b/docs/Project.toml
index 6ef1b49..20754a7 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -22,7 +22,7 @@ GeometryOptimization = {path = ".."}
 ASEconvert = "0.1.8, 0.2"
 AtomsBase = "0.5.2"
 DFTK = "0.7"
-Documenter = "~1.8"
+Documenter = "~1.8, 1.16"
 EmpiricalPotentials = "0.2.5"
 PseudoPotentialData = "0.2"
 Unitful = "1.28.0"