diff --git a/pico-keys-sdk b/pico-keys-sdk
index 57e88f8..6b48302 160000
--- a/pico-keys-sdk
+++ b/pico-keys-sdk
@@ -1 +1 @@
-Subproject commit 57e88f85eec7ae6aa98641a237ea9eacfd140cd4
+Subproject commit 6b483029a50087384b27c5c691864a3675c92ae3
diff --git a/src/openpgp/cmd_get_data.c b/src/openpgp/cmd_get_data.c
index 1dc3059..938e99c 100644
--- a/src/openpgp/cmd_get_data.c
+++ b/src/openpgp/cmd_get_data.c
@@ -140,3 +140,10 @@ int cmd_get_next_data() {
     select_file(ef);
     return cmd_get_data();
 }
+
+int cmd_get_bulk_data() {
+    if (apdu.nc < 3) {
+        return SW_WRONG_LENGTH();
+    }
+    return bulk_cmd(cmd_get_data);
+}
diff --git a/src/openpgp/openpgp.c b/src/openpgp/openpgp.c
index 58ff031..2765604 100644
--- a/src/openpgp/openpgp.c
+++ b/src/openpgp/openpgp.c
@@ -793,6 +793,7 @@ extern int cmd_terminate_df();
 extern int cmd_pso();
 extern int cmd_keypair_gen();
 extern int cmd_reset_retry();
+extern int cmd_get_bulk_data();
 
 #define INS_VERIFY          0x20
 #define INS_MSE             0x22
@@ -807,6 +808,7 @@ extern int cmd_reset_retry();
 #define INS_SELECT_DATA     0xA5
 #define INS_GET_DATA        0xCA
 #define INS_GET_NEXT_DATA   0xCC
+#define INS_GET_BULK_DATA   0xCE
 #define INS_PUT_DATA        0xDA
 #define INS_IMPORT_DATA     0xDB
 #define INS_TERMINATE_DF    0xE6
@@ -830,7 +832,8 @@ static const cmd_t cmds[] = {
     { INS_VERSION, cmd_version_openpgp },
     { INS_SELECT_DATA, cmd_select_data },
     { INS_GET_NEXT_DATA, cmd_get_next_data },
-    { 0x00, 0x0 }
+    { INS_GET_BULK_DATA, cmd_get_bulk_data },
+    { 0x00, NULL }
 };
 
 int openpgp_process_apdu() {