diff --git a/rebar.config b/rebar.config
index 031a12a4..5d9924e9 100644
--- a/rebar.config
+++ b/rebar.config
@@ -60,7 +60,7 @@
         {webtransport, "~>0.4.8"},
         {idna, "~>7.1.0"},
         {mimerl, "~>1.5"},
-        {certifi, "~>2.17.0"},
+        {certifi, "~>2.18.0"},
         {parse_trans, "3.4.2"},
         {ssl_verify_fun, "~>1.1.0"}
        ]}.
diff --git a/rebar.lock b/rebar.lock
index 6bfda5cf..cbdf58fb 100644
--- a/rebar.lock
+++ b/rebar.lock
@@ -1,5 +1,5 @@
 {"1.2.0",
-[{<<"certifi">>,{pkg,<<"certifi">>,<<"2.17.0">>},0},
+[{<<"certifi">>,{pkg,<<"certifi">>,<<"2.18.0">>},0},
  {<<"h2">>,{pkg,<<"h2">>,<<"0.12.5">>},0},
  {<<"idna">>,{pkg,<<"idna">>,<<"7.1.0">>},0},
  {<<"mimerl">>,{pkg,<<"mimerl">>,<<"1.5.0">>},0},
@@ -9,7 +9,7 @@
  {<<"webtransport">>,{pkg,<<"webtransport">>,<<"0.4.8">>},0}]}.
 [
 {pkg_hash,[
- {<<"certifi">>, <<"835748414307E15E05B17D0E518190228CE648B08D569A5CC93A85A40F3E5C9B">>},
+ {<<"certifi">>, <<"BD5F34EB8FE7C3EEE3C705C1F9472174E8D4C353FC9C09A4CB937B891E80E329">>},
  {<<"h2">>, <<"03D492B4CCE77466C4C4A2B3FD74B2BB16C1D78F9618BBFEB50EA493C005ACCF">>},
  {<<"idna">>, <<"1067A13043538129602D2F2CE6899D8713125C7D19734AA557CE2E3EA55BD4F1">>},
  {<<"mimerl">>, <<"F35ACA6F23242339B3666E0AC0702379E362B469D0AEA167F6CC713547E777ED">>},
@@ -18,7 +18,7 @@
  {<<"ssl_verify_fun">>, <<"354C321CF377240C7B8716899E182CE4890C5938111A1296ADD3EC74CF1715DF">>},
  {<<"webtransport">>, <<"3C340D7EA381E3F639ECE90378D85FB46B1DA4EECE17BBA3223051E833166501">>}]},
 {pkg_hash_ext,[
- {<<"certifi">>, <<"8122798A17F0293C80DAADA25D0F81C7F4D708C73FEF782C7C9B1950E26E4D21">>},
+ {<<"certifi">>, <<"A8B61115E393A2298B20451A36BEFFDABE08E61BC16CC1926D7991F6721103BF">>},
  {<<"h2">>, <<"A4524BF80CAFB86E599710C1D5C9F63ACA0284607CB4D99FB53AE63FD55AA03F">>},
  {<<"idna">>, <<"6AE959A025BF36DF61A8CAB8508D9654891B5426A84C44D82DEAFFD6DDF8C71F">>},
  {<<"mimerl">>, <<"DB648CE065BAE14EA84CA8B5DD123F42F49417CEF693541110BF6F9E9BE9ECC4">>},