diff --git a/speculos/cxlib/stax-api-level-cx-20.elf b/speculos/cxlib/stax-api-level-cx-20.elf
new file mode 100644
index 00000000..03539620
Binary files /dev/null and b/speculos/cxlib/stax-api-level-cx-20.elf differ
diff --git a/speculos/fonts/stax-fonts-20.bin b/speculos/fonts/stax-fonts-20.bin
new file mode 100644
index 00000000..a3f89191
Binary files /dev/null and b/speculos/fonts/stax-fonts-20.bin differ
diff --git a/src/bolos/fonts_info.c b/src/bolos/fonts_info.c
index ff1591d9..dc08818e 100644
--- a/src/bolos/fonts_info.c
+++ b/src/bolos/fonts_info.c
@@ -230,6 +230,7 @@ void parse_fonts(void *code, unsigned long text_load_addr,
   case SDK_API_LEVEL_15:
   case SDK_API_LEVEL_18:
   case SDK_API_LEVEL_19:
+  case SDK_API_LEVEL_20:
     break;
   default:
     // Unsupported API_LEVEL, will not parse fonts!
diff --git a/src/launcher.c b/src/launcher.c
index 8860ae3b..d94cb9aa 100644
--- a/src/launcher.c
+++ b/src/launcher.c
@@ -817,7 +817,8 @@ int main(int argc, char *argv[])
         sdk_version != SDK_API_LEVEL_8 && sdk_version != SDK_API_LEVEL_9 &&
         sdk_version != SDK_API_LEVEL_10 && sdk_version != SDK_API_LEVEL_11 &&
         sdk_version != SDK_API_LEVEL_12 && sdk_version != SDK_API_LEVEL_13 &&
-        sdk_version != SDK_API_LEVEL_14 && sdk_version != SDK_API_LEVEL_15) {
+        sdk_version != SDK_API_LEVEL_14 && sdk_version != SDK_API_LEVEL_15 &&
+        sdk_version != SDK_API_LEVEL_20) {
       errx(1, "invalid SDK version for the Ledger Stax");
     }
     break;
diff --git a/src/sdk.h b/src/sdk.h
index bd03752d..cd3f70b2 100644
--- a/src/sdk.h
+++ b/src/sdk.h
@@ -34,6 +34,7 @@ typedef enum {
   SDK_API_LEVEL_17,
   SDK_API_LEVEL_18,
   SDK_API_LEVEL_19,
+  SDK_API_LEVEL_20,
   SDK_COUNT
 } sdk_version_t;