diff --git a/README.md b/README.md
index c59af4e..2d0dd6d 100644
--- a/README.md
+++ b/README.md
@@ -106,7 +106,7 @@ cashu info
 
 Returns:
 ```bash
-Version: 0.5.1
+Version: 0.5.2
 Debug: False
 Cashu dir: /home/user/.cashu
 Wallet: wallet
diff --git a/cashu/core/settings.py b/cashu/core/settings.py
index 1e86a4c..689f85f 100644
--- a/cashu/core/settings.py
+++ b/cashu/core/settings.py
@@ -53,4 +53,4 @@ LNBITS_ENDPOINT = env.str("LNBITS_ENDPOINT", default=None)
 LNBITS_KEY = env.str("LNBITS_KEY", default=None)
 
 MAX_ORDER = 64
-VERSION = "0.5.1"
+VERSION = "0.5.2"
diff --git a/cashu/wallet/migrations.py b/cashu/wallet/migrations.py
index 2bf9a3a..bdb3c36 100644
--- a/cashu/wallet/migrations.py
+++ b/cashu/wallet/migrations.py
@@ -107,8 +107,8 @@ async def m005_wallet_keysets(db: Database):
     await db.execute(
         f"""
             CREATE TABLE IF NOT EXISTS keysets (
-                id TEXT NOT NULL,
-                mint_url TEXT NOT NULL,
+                id TEXT,
+                mint_url TEXT,
                 valid_from TIMESTAMP DEFAULT {db.timestamp_now},
                 valid_to TIMESTAMP DEFAULT {db.timestamp_now},
                 first_seen TIMESTAMP DEFAULT {db.timestamp_now},
diff --git a/pyproject.toml b/pyproject.toml
index a57eeb8..23b910d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "cashu"
-version = "0.5.1"
+version = "0.5.2"
 description = "Ecash wallet and mint."
 authors = ["calle <callebtc@protonmail.com>"]
 license = "MIT"
diff --git a/setup.py b/setup.py
index 001c906..9c17c3a 100644
--- a/setup.py
+++ b/setup.py
@@ -13,7 +13,7 @@ entry_points = {"console_scripts": ["cashu = cashu.wallet.cli:cli"]}
 
 setuptools.setup(
     name="cashu",
-    version="0.5.1",
+    version="0.5.2",
     description="Ecash wallet and mint with Bitcoin Lightning support",
     long_description=long_description,
     long_description_content_type="text/markdown",