diff --git a/containers/apps/db-wait-mariadb/Dockerfile b/containers/apps/db-wait-mariadb/Dockerfile
index e47b1bb96710..643f794b9d6a 100644
--- a/containers/apps/db-wait-mariadb/Dockerfile
+++ b/containers/apps/db-wait-mariadb/Dockerfile
@@ -1,5 +1,5 @@
 # hadolint ignore=DL3007
-FROM tccr.io/tccr/alpine:latest
+FROM tccr.io/tccr/alpine:latest@sha256:0f0162635afb50d4794d7fd92b74c635ae3422cc426284da88e5e8754d1cfdcd
 
 ARG TARGETPLATFORM
 ARG VERSION
diff --git a/containers/apps/db-wait-mongodb/Dockerfile b/containers/apps/db-wait-mongodb/Dockerfile
index 977177f2fea6..274748d9ca70 100644
--- a/containers/apps/db-wait-mongodb/Dockerfile
+++ b/containers/apps/db-wait-mongodb/Dockerfile
@@ -1,5 +1,5 @@
 # hadolint ignore=DL3007
-FROM tccr.io/tccr/alpine:latest
+FROM tccr.io/tccr/alpine:latest@sha256:0f0162635afb50d4794d7fd92b74c635ae3422cc426284da88e5e8754d1cfdcd
 
 ARG TARGETPLATFORM
 ARG VERSION
diff --git a/containers/apps/db-wait-postgres/Dockerfile b/containers/apps/db-wait-postgres/Dockerfile
index 7696e525681e..c9ba5cc647cf 100644
--- a/containers/apps/db-wait-postgres/Dockerfile
+++ b/containers/apps/db-wait-postgres/Dockerfile
@@ -1,5 +1,5 @@
 # hadolint ignore=DL3007
-FROM tccr.io/tccr/alpine:latest
+FROM tccr.io/tccr/alpine:latest@sha256:0f0162635afb50d4794d7fd92b74c635ae3422cc426284da88e5e8754d1cfdcd
 
 ARG TARGETPLATFORM
 ARG VERSION
diff --git a/containers/apps/db-wait-redis/Dockerfile b/containers/apps/db-wait-redis/Dockerfile
index afc1f3902d6c..f727558bb69d 100644
--- a/containers/apps/db-wait-redis/Dockerfile
+++ b/containers/apps/db-wait-redis/Dockerfile
@@ -1,5 +1,5 @@
 # hadolint ignore=DL3007
-FROM tccr.io/tccr/alpine:latest
+FROM tccr.io/tccr/alpine:latest@sha256:0f0162635afb50d4794d7fd92b74c635ae3422cc426284da88e5e8754d1cfdcd
 
 ARG TARGETPLATFORM
 ARG VERSION