diff --git a/_dev/Makefile b/_dev/Makefile
index b20d4d0..f5e0a84 100644
--- a/_dev/Makefile
+++ b/_dev/Makefile
@@ -25,7 +25,7 @@ TMP_DIR		:= $(shell mktemp -d)
 TARGET_TEST_COMPAT=boring picotls tstclnt
 
 # Some target-specific constants
-BORINGSSL_REVISION=d451453067cd665a5c38830fbbaac9e599234a5e
+BORINGSSL_REVISION=ff433815b51c34496bb6bea13e73e29e5c278238
 BOGO_DOCKER_TRIS_LOCATION=/go/src/github.com/cloudflare/tls-tris
 
 # SIDH repository
diff --git a/_dev/boring/Dockerfile b/_dev/boring/Dockerfile
index 5814db6..666492d 100644
--- a/_dev/boring/Dockerfile
+++ b/_dev/boring/Dockerfile
@@ -52,7 +52,7 @@ RUN mkdir boringssl/build
 # ARG REVISION=861f384d7bc59241a9df1634ae938d8e75be2d30
 
 # TLS 1.3
-ARG REVISION=d451453067cd665a5c38830fbbaac9e599234a5e
+ARG REVISION=ff433815b51c34496bb6bea13e73e29e5c278238
 
 ADD sidh_$REVISION.patch /