diff --git a/examples/dtls-sock/Makefile b/examples/dtls-sock/Makefile
index 1252275dbbff..256091df8b28 100644
--- a/examples/dtls-sock/Makefile
+++ b/examples/dtls-sock/Makefile
@@ -7,9 +7,6 @@ BOARD ?= native
 # This has to be the absolute path to the RIOT base directory:
 RIOTBASE ?= $(CURDIR)/../..
 
-# TinyDTLS only has support for 32-bit architectures ATM
-FEATURES_REQUIRED += arch_32bit
-
 # Include packages that pull up and auto-init the link layer.
 # NOTE: 6LoWPAN will be included if IEEE802.15.4 devices are present
 USEMODULE += netdev_default
diff --git a/examples/dtls-sock/Makefile.ci b/examples/dtls-sock/Makefile.ci
index e0a920b713f9..ab4b7bd41b1e 100644
--- a/examples/dtls-sock/Makefile.ci
+++ b/examples/dtls-sock/Makefile.ci
@@ -1,5 +1,9 @@
 BOARD_INSUFFICIENT_MEMORY := \
     airfy-beacon \
+    arduino-leonardo \
+    arduino-mega2560 \
+    arduino-nano \
+    atxmega-a3bu-xplained \
     b-l072z-lrwan1 \
     blackpill-stm32f103c8 \
     blackpill-stm32f103cb \
@@ -7,11 +11,13 @@ BOARD_INSUFFICIENT_MEMORY := \
     bluepill-stm32f103c8 \
     bluepill-stm32f103cb \
     calliope-mini \
+    derfmega12 \
     hifive1 \
     hifive1b \
     i-nucleo-lrwan1 \
     im880b \
     lsn50 \
+    mega-xplained \
     microbit \
     nrf51dongle \
     nrf6310 \
@@ -38,4 +44,6 @@ BOARD_INSUFFICIENT_MEMORY := \
     stm32l0538-disco \
     stm32mp157c-dk2 \
     yunjia-nrf51822 \
+    waspmote-pro \
+    z1 \
     #