diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 2bf512c2b..ebd570fab 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -7414,8 +7414,8 @@ not_with_valgrind # spurious resend
 requires_config_disabled MBEDTLS_SSL_CONF_READ_TIMEOUT
 requires_config_enabled MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE
 run_test    "DTLS client reconnect from same port: reference" \
-            "$P_SRV dtls=1 exchanges=2 read_timeout=20000 hs_timeout=10000-20000" \
-            "$P_CLI dtls=1 exchanges=2 debug_level=2 hs_timeout=10000-20000" \
+            "$P_SRV dtls=1 exchanges=2 read_timeout=20000 hs_timeout=15000-25000" \
+            "$P_CLI dtls=1 exchanges=2 debug_level=2 hs_timeout=15000-25000" \
             0 \
             -C "resend" \
             -S "The operation timed out" \
@@ -7425,7 +7425,7 @@ not_with_valgrind # spurious resend
 requires_config_disabled MBEDTLS_SSL_CONF_READ_TIMEOUT
 requires_config_enabled MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE
 run_test    "DTLS client reconnect from same port: reconnect" \
-            "$P_SRV dtls=1 exchanges=2 read_timeout=20000 hs_timeout=10000-20000" \
+            "$P_SRV dtls=1 exchanges=2 read_timeout=20000 hs_timeout=15000-25000" \
             "$P_CLI dtls=1 exchanges=2 debug_level=2 hs_timeout=15000-25000 reconnect_hard=1" \
             0 \
             -C "resend" \