diff --git a/.github/workflows/Tasmota_build_devel.yml b/.github/workflows/Tasmota_build_devel.yml
index 511e322b7..c609f358d 100644
--- a/.github/workflows/Tasmota_build_devel.yml
+++ b/.github/workflows/Tasmota_build_devel.yml
@@ -22,6 +22,7 @@ jobs:
       matrix:
         variant:
           - tasmota
+          - tasmota4M
           - tasmota-minimal
           - tasmota-display
           - tasmota-ir
diff --git a/.github/workflows/Tasmota_build_master.yml b/.github/workflows/Tasmota_build_master.yml
index 6d29cb7c9..1fc5d50a9 100644
--- a/.github/workflows/Tasmota_build_master.yml
+++ b/.github/workflows/Tasmota_build_master.yml
@@ -21,6 +21,7 @@ jobs:
       matrix:
         variant:
           - tasmota
+          - tasmota4M
           - tasmota-minimal
           - tasmota-display
           - tasmota-ir
diff --git a/.github/workflows/build_all_the_things.yml b/.github/workflows/build_all_the_things.yml
index f11f44eb2..9259cdf50 100644
--- a/.github/workflows/build_all_the_things.yml
+++ b/.github/workflows/build_all_the_things.yml
@@ -24,6 +24,7 @@ jobs:
       matrix:
         variant:
           - tasmota
+          - tasmota4M
           - tasmota-display
           - tasmota-ir
           - tasmota-knx
diff --git a/platformio_tasmota_env.ini b/platformio_tasmota_env.ini
index 68d4b17e4..e84fe8d25 100644
--- a/platformio_tasmota_env.ini
+++ b/platformio_tasmota_env.ini
@@ -34,6 +34,9 @@ lib_ignore                  =
 
 [env:tasmota]
 
+[env:tasmota4M]
+board                   = esp8266_4M2M
+
 [env:tasmota-minimal]
 build_flags             = ${env.build_flags} -DFIRMWARE_MINIMAL
 lib_extra_dirs          =