diff --git a/pkg/tinydtls/Makefile b/pkg/tinydtls/Makefile
index 973f44dbc1..0610448d4d 100644
--- a/pkg/tinydtls/Makefile
+++ b/pkg/tinydtls/Makefile
@@ -1,14 +1,11 @@
 PKG_NAME=tinydtls
 PKG_URL=https://github.com/eclipse/tinydtls.git
-PKG_VERSION=c58f484ac417afe036273d65506b63a0902c740c
+PKG_VERSION=5e14e4930b0f329f35809c623976df1e08ca4593
 PKG_LICENSE=EPL-1.0,EDL-1.0
 
 include $(RIOTBASE)/pkg/pkg.mk
 
 CFLAGS += -Wno-implicit-fallthrough
-# following is require due to known issue with newlib 2.4.x, see bug report:
-# http://lists-archives.com/cygwin/97008-gettimeofday-not-defined.html
-CFLAGS += -D_XOPEN_SOURCE=600
 
 all:
 	$(QQ)"$(MAKE)" -C $(PKG_SOURCE_DIR) -f $(PKG_SOURCE_DIR)/Makefile.riot
diff --git a/pkg/tinydtls/Makefile.dep b/pkg/tinydtls/Makefile.dep
index 9742974aaf..70e9b16f95 100644
--- a/pkg/tinydtls/Makefile.dep
+++ b/pkg/tinydtls/Makefile.dep
@@ -14,11 +14,3 @@ ifneq (,$(filter sock_dtls,$(USEMODULE)))
   USEMODULE += tinydtls_sock_dtls
   USEMODULE += ztimer_usec
 endif
-
-ifneq (,$(filter newlib_syscalls_default,$(USEMODULE)))
-  USEMODULE += libc_gettimeofday
-endif
-
-ifneq (,$(filter native,$(CPU)))
-  USEMODULE += libc_gettimeofday
-endif