diff --git a/Cargo.lock b/Cargo.lock
index 5307c89..ea12f21 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -41,9 +41,8 @@ dependencies = [
  "bitflags",
  "byteorder",
  "diesel_derives",
- "mysqlclient-sys",
- "percent-encoding",
- "url",
+ "itoa",
+ "pq-sys",
 ]
 
 [[package]]
@@ -64,15 +63,6 @@ version = "0.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77c90badedccf4105eca100756a0b1289e191f6fcbdadd3cee1d2f614f97da8f"
 
-[[package]]
-name = "form_urlencoded"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9c384f161156f5260c24a097c56119f9be8c798586aecc13afbcbe7b7e26bf8"
-dependencies = [
- "percent-encoding",
-]
-
 [[package]]
 name = "getrandom"
 version = "0.2.7"
@@ -94,14 +84,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "idna"
-version = "0.3.0"
+name = "itoa"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e14ddfc70884202db2244c223200c204c2bda1bc6e0998d11b5e024d657209e6"
-dependencies = [
- "unicode-bidi",
- "unicode-normalization",
-]
+checksum = "6c8af84674fe1f223a982c933a0ee1086ac4d4052aa0fb8060c12c6ad838e754"
 
 [[package]]
 name = "libc"
@@ -146,16 +132,6 @@ dependencies = [
  "windows-sys",
 ]
 
-[[package]]
-name = "mysqlclient-sys"
-version = "0.2.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f61b381528ba293005c42a409dd73d034508e273bf90481f17ec2e964a6e969b"
-dependencies = [
- "pkg-config",
- "vcpkg",
-]
-
 [[package]]
 name = "num_cpus"
 version = "1.13.1"
@@ -195,30 +171,27 @@ dependencies = [
  "windows-sys",
 ]
 
-[[package]]
-name = "percent-encoding"
-version = "2.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "478c572c3d73181ff3c2539045f6eb99e5491218eae919370993b890cdbdd98e"
-
 [[package]]
 name = "pin-project-lite"
 version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e0a7ae3ac2f1173085d398531c705756c94a4c56843785df85a60c1a0afac116"
 
-[[package]]
-name = "pkg-config"
-version = "0.3.25"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1df8c4ec4b0627e53bdf214615ad287367e482558cf84b109250b37464dc03ae"
-
 [[package]]
 name = "ppv-lite86"
 version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
 
+[[package]]
+name = "pq-sys"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b845d6d8ec554f972a2c5298aad68953fd64e7441e846075450b44656a016d1"
+dependencies = [
+ "vcpkg",
+]
+
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"
@@ -353,21 +326,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "tinyvec"
-version = "1.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "87cc5ceb3875bb20c2890005a4e226a4651264a5c75edb2421b52861a0a0cb50"
-dependencies = [
- "tinyvec_macros",
-]
-
-[[package]]
-name = "tinyvec_macros"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
-
 [[package]]
 name = "tokio"
 version = "1.21.1"
@@ -400,38 +358,12 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "unicode-bidi"
-version = "0.3.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "099b7128301d285f79ddd55b9a83d5e6b9e97c92e0ea0daebee7263e932de992"
-
 [[package]]
 name = "unicode-ident"
 version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c4f5b37a154999a8f3f98cc23a628d850e154479cd94decf3414696e12e31aaf"
 
-[[package]]
-name = "unicode-normalization"
-version = "0.1.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "854cbdc4f7bc6ae19c820d44abdc3277ac3e1b2b93db20a636825d9322fb60e6"
-dependencies = [
- "tinyvec",
-]
-
-[[package]]
-name = "url"
-version = "2.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0d68c799ae75762b8c3fe375feb6600ef5602c883c5d21eb51c09f22b83c4643"
-dependencies = [
- "form_urlencoded",
- "idna",
- "percent-encoding",
-]
-
 [[package]]
 name = "uuid"
 version = "1.1.2"
diff --git a/Cargo.toml b/Cargo.toml
index be88b27..b59ef5e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-diesel = { version = "2.0.0", features = ["mysql"] }
+diesel = { version = "2.0.0", features = ["postgres"] }
 dotenv = "0.15.0"
 rand = "0.8.5"
 tokio = { version = "1", features = ["full"] }
diff --git a/migrations/2022-09-15-133454_create_npc/up.sql b/migrations/2022-09-15-133454_create_npc/up.sql
index 0186a27..20ed03e 100644
--- a/migrations/2022-09-15-133454_create_npc/up.sql
+++ b/migrations/2022-09-15-133454_create_npc/up.sql
@@ -6,5 +6,5 @@ CREATE TABLE npc (
     ca int NOT NULL,
     ba int NOT NULL,
     hp int NOT NULL,
-    CONSTRAINT PK_Player PRIMARY KEY (tag)
+    CONSTRAINT PK_Npc PRIMARY KEY (tag)
 )
diff --git a/src/database.rs b/src/database.rs
index 3a4d2a6..fe4e811 100644
--- a/src/database.rs
+++ b/src/database.rs
@@ -1,13 +1,13 @@
+use diesel::pg::PgConnection;
 use diesel::prelude::*;
-use diesel::mysql::MysqlConnection;
 use dotenv::dotenv;
 use std::env;
 
-pub fn establish_connection() -> MysqlConnection {
+pub fn establish_connection() -> PgConnection {
     dotenv().ok();
 
     let database_url = env::var("DATABASE_URL")
         .expect("DATABASE_URL must be set");
-    MysqlConnection::establish(&database_url)
+    PgConnection::establish(&database_url)
         .expect(&format!("Error connecting to {}", database_url))
 }
diff --git a/src/schema.rs b/src/schema.rs
index c12ce37..2bca1e9 100644
--- a/src/schema.rs
+++ b/src/schema.rs
@@ -14,9 +14,9 @@ diesel::table! {
         nombre -> Varchar,
         descripcion -> Varchar,
         location -> Varchar,
-        ca -> Integer,
-        ba -> Integer,
-        hp -> Integer,
+        ca -> Int4,
+        ba -> Int4,
+        hp -> Int4,
     }
 }
 
@@ -27,7 +27,7 @@ diesel::table! {
         nombre -> Varchar,
         descripcion -> Varchar,
         location -> Varchar,
-        peso -> Integer,
+        peso -> Int4,
         destino -> Nullable<Varchar>,
     }
 }
@@ -38,9 +38,9 @@ diesel::table! {
         nombre -> Varchar,
         descripcion -> Varchar,
         location -> Varchar,
-        ca -> Integer,
-        ba -> Integer,
-        hp -> Integer,
+        ca -> Int4,
+        ba -> Int4,
+        hp -> Int4,
     }
 }