diff --git a/builder/frameworks/cmsis.py b/builder/frameworks/cmsis.py
index fbb9d7b..78958fe 100644
--- a/builder/frameworks/cmsis.py
+++ b/builder/frameworks/cmsis.py
@@ -31,7 +31,7 @@ from os.path import isdir, isfile, join
 from SCons.Script import DefaultEnvironment
 
 env = DefaultEnvironment()
-platform = env.DevPlatform()
+platform = env.PioPlatform()
 
 FRAMEWORK_DIR = platform.get_package_dir("framework-cmsis")
 assert isdir(FRAMEWORK_DIR)
diff --git a/builder/frameworks/libopencm3 b/builder/frameworks/libopencm3
index bebcfa5..7745a0d 160000
--- a/builder/frameworks/libopencm3
+++ b/builder/frameworks/libopencm3
@@ -1 +1 @@
-Subproject commit bebcfa54a47c6f61fbb836200fe4a045cd568a38
+Subproject commit 7745a0d4f64d9f858ce214ab3e02c3a0e1a3decf
diff --git a/builder/frameworks/mbed b/builder/frameworks/mbed
index f800c9f..62cc195 160000
--- a/builder/frameworks/mbed
+++ b/builder/frameworks/mbed
@@ -1 +1 @@
-Subproject commit f800c9f7c84ed8c703661ba5c25c867673ab499c
+Subproject commit 62cc1953551297c4a36d7e0306f0b305f724be9f
diff --git a/builder/frameworks/spl.py b/builder/frameworks/spl.py
index 0d89f48..dff1681 100644
--- a/builder/frameworks/spl.py
+++ b/builder/frameworks/spl.py
@@ -28,7 +28,7 @@ from os.path import isdir, isfile, join
 from SCons.Script import DefaultEnvironment
 
 env = DefaultEnvironment()
-platform = env.DevPlatform()
+platform = env.PioPlatform()
 
 FRAMEWORK_DIR = platform.get_package_dir("framework-spl")
 assert isdir(FRAMEWORK_DIR)