diff --git a/.changes/add-http3-feature-flag.md b/.changes/add-http3-feature-flag.md
new file mode 100644
index 0000000000..8347cb19bd
--- /dev/null
+++ b/.changes/add-http3-feature-flag.md
@@ -0,0 +1,5 @@
+---
+"http": patch
+"http-js": patch
+---
+Added `http3` feature flag which can be used to enable `reqwest`'s `http3` feature flag.
\ No newline at end of file
diff --git a/plugins/http/Cargo.toml b/plugins/http/Cargo.toml
index 9aa49e0e44..63d9fa4257 100644
--- a/plugins/http/Cargo.toml
+++ b/plugins/http/Cargo.toml
@@ -69,6 +69,7 @@ deflate = ["reqwest/deflate"]
 trust-dns = ["reqwest/trust-dns"]
 socks = ["reqwest/socks"]
 http2 = ["reqwest/http2"]
+http3 = ["reqwest/http3"]
 charset = ["reqwest/charset"]
 macos-system-configuration = ["reqwest/macos-system-configuration"]
 unsafe-headers = []