diff --git a/heromodels/src/db/postgres.rs b/heromodels/src/db/postgres.rs
index 145656d..b807986 100644
--- a/heromodels/src/db/postgres.rs
+++ b/heromodels/src/db/postgres.rs
@@ -1,6 +1,7 @@
 use std::time::Duration;
 
 use heromodels_core::Model;
+use postgres::types::Json;
 use postgres::{Client, NoTls};
 use r2d2::Pool;
 use r2d2_postgres::PostgresConnectionManager;
@@ -178,7 +179,11 @@ where
             )
             .map_err(Error::from)?
             .into_iter()
-            .map(|row| serde_json::from_str::<M>(row.get("value")).map_err(Error::from))
+            .map(|row| {
+                row.try_get::<_, Json<M>>("value")
+                    .map(|v| v.0)
+                    .map_err(Error::from)
+            })
             .collect::<Result<Vec<M>, _>>()?)
     }
 
@@ -198,7 +203,7 @@ where
             .next()
         {
             Ok(Some(
-                serde_json::from_str::<M>(row.get("value")).map_err(Error::from)?,
+                row.try_get::<_, Json<M>>("value").map_err(Error::from)?.0,
             ))
         } else {
             Ok(None)
@@ -216,7 +221,7 @@ where
                         "INSERT INTO {} (value) VALUES ($1) RETURNING key, value;",
                         Self::collection_name::<M>()
                     ),
-                    &[&postgres::types::Json(value)],
+                    &[&Json(value)],
                 )
                 .map_err(Error::from)?
                 .into_iter()
@@ -229,7 +234,7 @@ where
 
             // Get the generated ID
             let id = row.get::<_, i64>("key") as u32;
-            let mut value = row.get::<_, postgres::types::Json<M>>("value").0;
+            let mut value = row.get::<_, Json<M>>("value").0;
             // .map_err(Error::from)?;
             value.base_data_mut().id = id;
 
@@ -240,10 +245,7 @@ where
                         "UPDATE {} SET value = $1 WHERE key = $2;",
                         Self::collection_name::<M>()
                     ),
-                    &[
-                        &postgres::types::Json(value.clone()),
-                        &(value.get_id() as i64),
-                    ],
+                    &[&Json(value.clone()), &(value.get_id() as i64)],
                 )
                 .map_err(Error::from)?;
 
@@ -259,10 +261,7 @@ where
                         "UPDATE {} SET value = $1 WHERE key = $2;",
                         Self::collection_name::<M>(),
                     ),
-                    &[
-                        &postgres::types::Json(value.clone()),
-                        &(value.get_id() as i64),
-                    ],
+                    &[&Json(value.clone()), &(value.get_id() as i64)],
                 )
                 .map_err(Error::from)?;
 
@@ -319,7 +318,11 @@ where
             )
             .map_err(Error::from)?
             .into_iter()
-            .map(|row| serde_json::from_str::<M>(row.get("value")).map_err(Error::from))
+            .map(|row| {
+                row.try_get::<_, Json<M>>("value")
+                    .map_err(Error::from)
+                    .map(|v| v.0)
+            })
             .collect::<Result<Vec<M>, _>>()?)
     }