diff --git a/dist/threeSDumper.gm9 b/dist/threeSDumper.gm9
index 81609ea..2850779 100644
--- a/dist/threeSDumper.gm9
+++ b/dist/threeSDumper.gm9
@@ -29,6 +29,13 @@ else
     goto Exit
 end
 
+# === certs.db
+if chk $[RDTYPE] "devkit"
+    echo "WARNING: \nDev kit detected. \nCIA building will not be usable."
+else
+    cp -w -n "1:/dbs/certs.db" $[OUT]/certs.db
+end
+
 # === Safe mode firm
 if not find $[OUT]/firm NULL
     mkdir $[OUT]/firm
@@ -159,7 +166,7 @@ else
 end
 
 # === Write version
-dumptxt $[OUT]/version.txt 1
+dumptxt $[OUT]/version.txt 2
 
 set PREVIEW_MODE "threeSD Dumper\nby zhaowenlan1779\n \nSuccess!"
 echo "Successfully dumped necessary\nfiles for threeSD."
diff --git a/src/common/common_paths.h b/src/common/common_paths.h
index 7bc7711..0e1d38e 100644
--- a/src/common/common_paths.h
+++ b/src/common/common_paths.h
@@ -39,3 +39,4 @@
 #define MOVABLE_SED "movable.sed"
 #define SEED_DB "seeddb.bin"
 #define AES_KEYS "aes_keys.txt"
+#define CERTS_DB "certs.db"
diff --git a/src/core/importer.cpp b/src/core/importer.cpp
index 173b525..065444e 100644
--- a/src/core/importer.cpp
+++ b/src/core/importer.cpp
@@ -901,6 +901,7 @@ std::vector<Config> LoadPresetConfig(std::string mount_point) {
 
         LOAD_DATA(movable_sed_path, MOVABLE_SED);
         LOAD_DATA(bootrom_path, BOOTROM9);
+        LOAD_DATA(certs_db_path, CERTS_DB);
         LOAD_DATA(safe_mode_firm_path, "firm/");
         LOAD_DATA(seed_db_path, SEED_DB);
         LOAD_DATA(secret_sector_path, SECRET_SECTOR);
diff --git a/src/core/importer.h b/src/core/importer.h
index 5900eda..28f5f2c 100644
--- a/src/core/importer.h
+++ b/src/core/importer.h
@@ -68,6 +68,8 @@ struct Config {
     std::string movable_sed_path; ///< Path to movable.sed
     std::string bootrom_path;     ///< Path to bootrom (boot9.bin) (Sysdata 0)
 
+    std::string certs_db_path; ///< Path to certs.db. Used while building CIA.
+
     // The following system files are optional for importing and are only copied so that Citra
     // will be able to decrypt imported encrypted ROMs.
 
@@ -84,7 +86,7 @@ struct Config {
 };
 
 // Version of the current dumper.
-constexpr int CurrentDumperVersion = 1;
+constexpr int CurrentDumperVersion = 2;
 
 class SDMCFile;
 class NCCHContainer;