diff --git a/Cargo.toml b/Cargo.toml
index b93d285..64ca3ea 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,7 +23,7 @@ doctest = false
 bitflags = "2"
 bytes = "1"
 bytemuck = "1"
-chrono = "<= 0.4.31"                               # To meet MSRV target of Rust 1.60.
+chrono = "0.4, <= 0.4.31"                          # To meet MSRV target of Rust 1.60.
 image = { version = ">= 0.24.0", optional = true } # DynamicImage trait definitions changed between 0.23.14 and 0.24.0; we use trait from version 0.24.0 and later.
 itertools = "0"
 log = "0"
@@ -88,6 +88,7 @@ pdfium_future = [
     # For testing changes in Pdfium source control that are yet to be released.
     "pdfium_use_skia",
     "pdfium_enable_xfa",
+    "pdfium_enable_v8",
 ]
 pdfium_6666 = []
 pdfium_6611 = []