diff --git a/scripts/build-srt-sdk.js b/scripts/build-srt-sdk.js
index b6259d3..ca38664 100755
--- a/scripts/build-srt-sdk.js
+++ b/scripts/build-srt-sdk.js
@@ -12,7 +12,7 @@ const os = require('os');
 const env = process.env;
 
 const SRT_REPO = env.NODE_SRT_REPO || "https://github.com/Haivision/srt.git";
-const SRT_CHECKOUT = "v1.4.1";
+const SRT_CHECKOUT = "v1.4.2";
 
 const srtRepoPath = env.NODE_SRT_LOCAL_REPO ? `file://${path.join(__dirname, env.NODE_SRT_LOCAL_REPO)}` : SRT_REPO;
 const srtCheckout = env.NODE_SRT_CHECKOUT || SRT_CHECKOUT;
diff --git a/src/srt-enums.h b/src/srt-enums.h
index 74e0e57..475c2ea 100644
--- a/src/srt-enums.h
+++ b/src/srt-enums.h
@@ -24,7 +24,6 @@
   ENUM(SRTO_RCVDATA), \
   ENUM(SRTO_SENDER), \
   ENUM(SRTO_TSBPDMODE), \
-  ENUM(SRTO_TSBPDDELAY), \
   ENUM(SRTO_INPUTBW), \
   ENUM(SRTO_OHEADBW), \
   ENUM(SRTO_PASSPHRASE), \
@@ -64,4 +63,4 @@
   ENUM(SRTS_CONNECTED), \
   ENUM(SRTS_BROKEN), \
   ENUM(SRTS_CLOSING), \
-  ENUM(SRTS_CLOSED)
\ No newline at end of file
+  ENUM(SRTS_CLOSED)