diff --git a/Cargo.toml b/Cargo.toml
index 23aafd9..4c0fdaa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,8 @@ debug = true
 adobe-cmap-parser = "0.3.3"
 encoding = "0.2.33"
 euclid = "0.20.5"
-lopdf = "0.24"
+lopdf = "0.26"
+linked-hash-map = "=0.5.3"
 postscript = "0.11.1"
 type1-encoding-parser = "0.1.0"
 unicode-normalization = "0.1.5"