diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index fff8223d6e..106021051d 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -3,12 +3,12 @@
 on:
   push:
     branches:
-      - main
       - master
+      - 1-15-99
   pull_request:
     branches:
-      - main
       - master
+      - 1-15-99
 
 name: R-CMD-check
 
diff --git a/.github/workflows/test-coverage.yaml b/.github/workflows/test-coverage.yaml
index 7f5fb04cd5..e85deaf2f8 100644
--- a/.github/workflows/test-coverage.yaml
+++ b/.github/workflows/test-coverage.yaml
@@ -1,12 +1,12 @@
 on:
   push:
     branches:
-      - main
       - master
+      - 1-15-99
   pull_request:
     branches:
-      - main
       - master
+      - 1-15-99
 
 name: test-coverage