diff --git a/ext/ext/y3/erepel_cu1.yaml b/ext/ext/y3/erepel_cu1.yaml
index c9c9a0101..bd5772d09 100644
--- a/ext/ext/y3/erepel_cu1.yaml
+++ b/ext/ext/y3/erepel_cu1.yaml
@@ -106,7 +106,7 @@ FULL_PAIRWISE_INTERACTION: |
       @sizi@, @dmpi@, @vali@, @ci@, @dix@, @diy@, @diz@, @qixx@, @qixy@,
       @qixz@, @qiyy@, @qiyz@, @qizz@,
       @sizk@, @dmpk@, @valk@, @ck@, @dkx@, @dky@, @dkz@, @qkxx@, @qkxy@,
-      @qkxz@, @qkyy@, @qkyz@, @qkzz@, 
+      @qkxz@, @qkyy@, @qkyz@, @qkzz@,
       e, pgrad);
 
     if CONSTEXPR (do_a)
diff --git a/include/tinker9.h b/include/tinker9.h
index 570c68425..887ec692a 100644
--- a/include/tinker9.h
+++ b/include/tinker9.h
@@ -5,8 +5,8 @@
 /// \addtogroup general
 /// \{
 #define TINKER9_VERSION_MAJOR 1
-#define TINKER9_VERSION_MINOR 3
-#define TINKER9_VERSION_PATCH 1
+#define TINKER9_VERSION_MINOR 4
+#define TINKER9_VERSION_PATCH 0
 /// \}
 
 // clang-format off
@@ -28,7 +28,7 @@
 "  ###                                                                      ### ""\n" \
 " ###            Tinker9  --  Software Tools for Molecular Design            ###""\n" \
 " ##                                                                          ##""\n" \
-" ##                       Version 1.3.1  November 2022                       ##""\n" \
+" ##                       Version 1.4.0  February 2023                       ##""\n" \
 " ##                                                                          ##""\n" \
 " ##                 Copyright (c)  Zhi Wang & the Ponder Lab                 ##""\n" \
 " ###                           All Rights Reserved                          ###""\n" \