diff --git a/sqlite_utils/db.py b/sqlite_utils/db.py
index 6332dc2..6b3de87 100644
--- a/sqlite_utils/db.py
+++ b/sqlite_utils/db.py
@@ -206,21 +206,25 @@ COLUMN_TYPE_MAPPING = {
 }
 # If numpy is available, add more types
 if np:
-    COLUMN_TYPE_MAPPING.update(
-        {
-            np.int8: "INTEGER",
-            np.int16: "INTEGER",
-            np.int32: "INTEGER",
-            np.int64: "INTEGER",
-            np.uint8: "INTEGER",
-            np.uint16: "INTEGER",
-            np.uint32: "INTEGER",
-            np.uint64: "INTEGER",
-            np.float16: "FLOAT",
-            np.float32: "FLOAT",
-            np.float64: "FLOAT",
-        }
-    )
+    try:
+        COLUMN_TYPE_MAPPING.update(
+            {
+                np.int8: "INTEGER",
+                np.int16: "INTEGER",
+                np.int32: "INTEGER",
+                np.int64: "INTEGER",
+                np.uint8: "INTEGER",
+                np.uint16: "INTEGER",
+                np.uint32: "INTEGER",
+                np.uint64: "INTEGER",
+                np.float16: "FLOAT",
+                np.float32: "FLOAT",
+                np.float64: "FLOAT",
+            }
+        )
+    except AttributeError:
+        # https://github.com/simonw/sqlite-utils/issues/632
+        pass
 
 # If pandas is available, add more types
 if pd: