diff --git a/NEWS.md b/NEWS.md
index f7ee1820..9a52b45d 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -38,9 +38,9 @@
 
 ### Dependencies
 
-- quic 1.4.5 -> 1.6.2.
+- quic 1.4.5 -> 1.6.3.
 - h2 0.6.1 -> 0.8.0.
-- webtransport 0.2.6 -> 0.3.0.
+- webtransport 0.2.6 -> 0.3.1.
 
 4.1.0 - 2026-05-29
 ------------------
diff --git a/rebar.config b/rebar.config
index 2a190081..56511478 100644
--- a/rebar.config
+++ b/rebar.config
@@ -53,11 +53,11 @@
 
 {deps, [
         %% Pure Erlang QUIC + HTTP/3 stack
-        {quic, "1.6.2"},
+        {quic, "1.6.3"},
         %% Pure Erlang HTTP/2 stack
         {h2, "0.8.0"},
         %% WebTransport client (HTTP/3 and HTTP/2) - powers the wt_* API
-        {webtransport, "0.3.0"},
+        {webtransport, "0.3.1"},
         {idna, "~>7.1.0"},
         {mimerl, "~>1.4"},
         {certifi, "~>2.16.0"},