diff --git a/pkg/jerryscript/Makefile b/pkg/jerryscript/Makefile
index 1abed90352..df4a037a13 100644
--- a/pkg/jerryscript/Makefile
+++ b/pkg/jerryscript/Makefile
@@ -1,10 +1,12 @@
 PKG_NAME=jerryscript
 PKG_URL=https://github.com/jerryscript-project/jerryscript.git
-PKG_VERSION=56802c22a10b0d684ac93921ac28df891e320b4a
+PKG_VERSION=e62b5b601bc1caa3e4d8172824988536ed6138f3
 PKG_LICENSE=Apache-2.0
 
 .PHONY: all
 
+CFLAGS += -Wno-implicit-fallthrough
+
 all: git-download
 	@cp Makefile.jerryscript $(PKG_BUILDDIR)/Makefile
 	$(MAKE) -C $(PKG_BUILDDIR)
diff --git a/pkg/jerryscript/Makefile.dep b/pkg/jerryscript/Makefile.dep
index c6c9bfcf81..5e38313cfe 100644
--- a/pkg/jerryscript/Makefile.dep
+++ b/pkg/jerryscript/Makefile.dep
@@ -1,3 +1,4 @@
 ifneq (,$(filter jerryscript,$(USEPKG)))
   USEMODULE += jerryport-minimal
+  USEMODULE += jerryscript-ext
 endif
diff --git a/pkg/jerryscript/Makefile.include b/pkg/jerryscript/Makefile.include
index 557b55a3c8..fdf28101d4 100644
--- a/pkg/jerryscript/Makefile.include
+++ b/pkg/jerryscript/Makefile.include
@@ -1 +1,2 @@
-INCLUDES += -I$(PKGDIRBASE)/jerryscript/jerry-core/
+INCLUDES += -I$(PKGDIRBASE)/jerryscript/jerry-core/include
+INCLUDES += -I$(PKGDIRBASE)/jerryscript/jerry-ext/include
diff --git a/pkg/jerryscript/Makefile.jerryscript b/pkg/jerryscript/Makefile.jerryscript
index e23e3c2d73..e396176c3f 100644
--- a/pkg/jerryscript/Makefile.jerryscript
+++ b/pkg/jerryscript/Makefile.jerryscript
@@ -26,8 +26,9 @@ libjerry:
 	 -DEXTERNAL_COMPILE_FLAGS="$(EXT_CFLAGS)" \
 	 -DMEM_HEAP_SIZE_KB=$(JERRYHEAP)
 
-	make -C $(BUILD_DIR) jerry-core jerry-port-default-minimal
+	make -C $(BUILD_DIR) jerry-core jerry-ext jerry-port-default-minimal
 	cp $(BUILD_DIR)/lib/libjerry-core.a $(BINDIR)/jerryscript.a
+	cp $(BUILD_DIR)/lib/libjerry-ext.a $(BINDIR)/jerryscript-ext.a
 	cp $(BUILD_DIR)/lib/libjerry-port-default-minimal.a $(BINDIR)/jerryport-minimal.a
 
 include $(RIOTBASE)/Makefile.base