diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm
index 94ef13ef9e..a864397ad4 100644
--- a/gnu/packages/crates-io.scm
+++ b/gnu/packages/crates-io.scm
@@ -78328,8 +78328,7 @@ Rustls.")
         (base32
          "1d2iy01v5psvm0ygcflzjna7zwgwk36w36bfr6mqf1vpsah65jqm"))))
     (arguments
-     `(;; These tests require network access.
-       #:cargo-test-flags '("--release" "--" "--skip=tls12" "--skip=modern")
+     `(#:tests? #f      ; Bundled test certificates expired
        #:cargo-inputs
        (("rust-bytes" ,rust-bytes-0.5)
         ("rust-futures-core" ,rust-futures-core-0.3)