diff --git a/httpaf.opam b/httpaf.opam
index 2f388e65..37310f94 100644
--- a/httpaf.opam
+++ b/httpaf.opam
@@ -15,7 +15,7 @@ depends: [
   "dune" {>= "1.5.0"}
   "alcotest" {with-test}
   "bigstringaf" {>= "0.4.0"}
-  "angstrom" {>= "0.9.0"}
+  "angstrom" {>= "0.14.0"}
   "faraday"  {>= "0.6.1"}
   "result"
 ]
diff --git a/lib_test/test_httpaf.ml b/lib_test/test_httpaf.ml
index 333565b9..9e3b4765 100644
--- a/lib_test/test_httpaf.ml
+++ b/lib_test/test_httpaf.ml
@@ -170,7 +170,7 @@ module Request = struct
     in
     fun message ~expect input ->
       let actual =
-        Angstrom.parse_string Httpaf_private.Parse.request input
+        Angstrom.parse_string ~consume:All Httpaf_private.Parse.request input
       in
       Alcotest.check alco message expect actual
   ;;
@@ -222,7 +222,7 @@ module Response = struct
     in
     fun message ~expect input ->
       let actual =
-        Angstrom.parse_string Httpaf_private.Parse.response input
+        Angstrom.parse_string ~consume:All Httpaf_private.Parse.response input
       in
       Alcotest.check alco message expect actual
   ;;