diff --git a/node/chain-specs/metaquity-rococo-testnet.json b/node/chain-specs/metaquity-rococo-testnet.json
deleted file mode 100644
index 698f471..0000000
--- a/node/chain-specs/metaquity-rococo-testnet.json
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a3c23e1f5d2c69b9b3c159b34c16323cb06018881c358c94d882a70bae60a8ce
-size 1863787
diff --git a/node/chain-specs/metaquity-rococo-testnet.raw.json b/node/chain-specs/metaquity-rococo-testnet.raw.json
deleted file mode 100644
index f80eec9..0000000
--- a/node/chain-specs/metaquity-rococo-testnet.raw.json
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:92fc4aeb23bd29e808c007cbdbcecc0ae1970ca3bdcd51d6bbf0b1797e1ec9d3
-size 1868261
diff --git a/node/chain-specs/tundra.json b/node/chain-specs/tundra.json
new file mode 100644
index 0000000..992f9cf
--- /dev/null
+++ b/node/chain-specs/tundra.json
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:da6d57ce7474034bb39eb63d64b8bf0b1945a6badbab75405dce25f5cf8e306a
+size 1919432
diff --git a/node/chain-specs/tundra.raw.json b/node/chain-specs/tundra.raw.json
new file mode 100644
index 0000000..e96011c
--- /dev/null
+++ b/node/chain-specs/tundra.raw.json
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:da60ef8a09b141886c3af5ea725f7dd397a069cc1c4e732c7107fdc235fe30f0
+size 1926774