diff --git a/net-proxy/mitmproxy-linux/mitmproxy-linux-0.12.9.ebuild b/net-proxy/mitmproxy-linux/mitmproxy-linux-0.12.9.ebuild
index 1af7755f2f14d..e7e343a5b71a1 100644
--- a/net-proxy/mitmproxy-linux/mitmproxy-linux-0.12.9.ebuild
+++ b/net-proxy/mitmproxy-linux/mitmproxy-linux-0.12.9.ebuild
@@ -34,7 +34,7 @@ CRATES="
 
 # Implied by crates above.
 RUST_MIN_VER=1.89.0
-RUST_MAX_VER=1.91.0
+RUST_MAX_VER=1.90.0
 
 declare -A GIT_CRATES=(
 	[boringtun]='https://github.com/cloudflare/boringtun;2f3c85f5c4a601018c10b464b1ca890d9504bf6e;boringtun-%commit%/boringtun'