diff --git a/build.yaml b/build.yaml
index 997f55df97a0579451c742c9681eebbc8d1b5a17..111ef049f0db581ac8d9dba354b501f8551bd4c0 100644
--- a/build.yaml
+++ b/build.yaml
@@ -13,7 +13,7 @@ settings:
   '#09': Per-language overrides are possible with (eg) ruby_version tag here
   '#10': See the expand_version.py for all the quirks here
   core_version: 3.0.0-dev
-  g_stands_for: green
+  g_stands_for: gentle
   version: 1.3.0-dev
 filegroups:
 - name: census
diff --git a/doc/g_stands_for.md b/doc/g_stands_for.md
index 53a1fdf193c08ac4c7678064719b3933bb1c36c2..d2fc7a50f95d73f6c2e5e58cadd2984e0ba69e2b 100644
--- a/doc/g_stands_for.md
+++ b/doc/g_stands_for.md
@@ -7,3 +7,4 @@ future), and the corresponding version numbers that used them:
 - 1.0 'g' stands for 'gRPC'
 - 1.1 'g' stands for 'good'
 - 1.2 'g' stands for 'green'
+- 1.3 'g' stands for 'gentle'
diff --git a/src/core/lib/surface/version.c b/src/core/lib/surface/version.c
index 1143a9e044e97901e084416f670755494b66dacd..ba80bd801ee5da585febf65443248c647f503a4b 100644
--- a/src/core/lib/surface/version.c
+++ b/src/core/lib/surface/version.c
@@ -38,4 +38,4 @@
 
 const char *grpc_version_string(void) { return "3.0.0-dev"; }
 
-const char *grpc_g_stands_for(void) { return "green"; }
+const char *grpc_g_stands_for(void) { return "gentle"; }