diff --git a/go.mod b/go.mod
index f843b9db..071d790e 100644
--- a/go.mod
+++ b/go.mod
@@ -14,7 +14,7 @@ require (
 	github.com/go-resty/resty/v2 v2.17.2
 	github.com/google/uuid v1.6.0
 	github.com/jackc/pgx/v5 v5.10.0
-	github.com/pashagolub/pgxmock/v4 v4.9.0
+	github.com/pashagolub/pgxmock/v5 v5.1.0
 	github.com/prometheus/client_golang v1.23.2
 	github.com/quasilyte/go-ruleguard/dsl v0.3.23
 	github.com/redis/go-redis/extra/redisotel/v9 v9.20.0
diff --git a/go.sum b/go.sum
index 1c72b1ce..183aa84b 100644
--- a/go.sum
+++ b/go.sum
@@ -90,8 +90,8 @@ github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0
 github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
-github.com/pashagolub/pgxmock/v4 v4.9.0 h1:itlO8nrVRnzkdMBXLs8pWUyyB2PC3Gku0WGIj/gGl7I=
-github.com/pashagolub/pgxmock/v4 v4.9.0/go.mod h1:9L57pC193h2aKRHVyiiE817avasIPZnPwPlw3JczWvM=
+github.com/pashagolub/pgxmock/v5 v5.1.0 h1:NZ4pl82b335sEGIbD/+tk2fVIgVs3yNWr1R42ukpUvU=
+github.com/pashagolub/pgxmock/v5 v5.1.0/go.mod h1:8IJct22b7+EuqecVmYb9aKiENJLLqTsbjFHXH/znAEg=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/prometheus/client_golang v1.23.2 h1:Je96obch5RDVy3FDMndoUsjAhG5Edi49h0RJWRi/o0o=
diff --git a/internal/database/postgresql/batch_db_test.go b/internal/database/postgresql/batch_db_test.go
index 0440ce90..fa0d9243 100644
--- a/internal/database/postgresql/batch_db_test.go
+++ b/internal/database/postgresql/batch_db_test.go
@@ -22,7 +22,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/pashagolub/pgxmock/v4"
+	"github.com/pashagolub/pgxmock/v5"
 
 	"github.com/llm-d/llm-d-batch-gateway/internal/database/api"
 )
diff --git a/internal/database/postgresql/db_core_test.go b/internal/database/postgresql/db_core_test.go
index 86140ad2..4468fc48 100644
--- a/internal/database/postgresql/db_core_test.go
+++ b/internal/database/postgresql/db_core_test.go
@@ -21,7 +21,7 @@ import (
 	"fmt"
 	"testing"
 
-	"github.com/pashagolub/pgxmock/v4"
+	"github.com/pashagolub/pgxmock/v5"
 
 	"github.com/llm-d/llm-d-batch-gateway/internal/database/api"
 )
diff --git a/internal/database/postgresql/file_db_test.go b/internal/database/postgresql/file_db_test.go
index af6b46b6..0a579fde 100644
--- a/internal/database/postgresql/file_db_test.go
+++ b/internal/database/postgresql/file_db_test.go
@@ -21,7 +21,7 @@ import (
 	"testing"
 	"time"
 
-	"github.com/pashagolub/pgxmock/v4"
+	"github.com/pashagolub/pgxmock/v5"
 
 	"github.com/llm-d/llm-d-batch-gateway/internal/database/api"
 )