diff --git a/receiver/challenges/Phew.py b/receiver/challenges/Phew.py
index f7dc767..a56de5a 100644
--- a/receiver/challenges/Phew.py
+++ b/receiver/challenges/Phew.py
@@ -85,7 +85,7 @@ class Phew(Challenge):
             def run_encrypt_once(pt_hex: str) -> str:
                 proc = self._spawn()
                 try:
-                    self._read_until(proc, "> ", timeout=5.0)
+                    self._read_until(proc, "> ", timeout=10.0)
                     self._send_line(proc, "1")
                     self._read_until(proc, "pt (hex)", timeout=3.0)
                     self._read_until(proc, "> ", timeout=3.0)
@@ -107,7 +107,7 @@ class Phew(Challenge):
             def run_decrypt_once(ct_hex: str) -> str:
                 proc = self._spawn()
                 try:
-                    self._read_until(proc, "> ", timeout=5.0)
+                    self._read_until(proc, "> ", timeout=10.0)
                     self._send_line(proc, "3")
                     self._read_until(proc, "ct (hex)", timeout=3.0)
                     self._read_until(proc, "> ", timeout=3.0)
@@ -129,7 +129,7 @@ class Phew(Challenge):
             def run_bingo_once() -> str:
                 proc = self._spawn()
                 try:
-                    self._read_until(proc, "> ", timeout=5.0)
+                    self._read_until(proc, "> ", timeout=10.0)
                     self._send_line(proc, "2")
                     out = self._read_until(proc, "\n", timeout=3.0)
                     ct_hex = self._expect_hex_field(out, "ct")