diff --git a/.drone.yml b/.drone.yml
index a624a7e..bbc43fd 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -9,7 +9,7 @@ trigger:
     - main
 steps:
   - name: build-lts
-    image: plugins/docker
+    image: plugins/docker:20.18.6
     settings:
       context: --provenance=true --sbom=true .
       username:
@@ -23,7 +23,7 @@ steps:
       dockerfile: lts/Dockerfile
       auto_label: true
   - name: build-lts-astrogd
-    image: plugins/docker
+    image: plugins/docker:20.18.6
     settings:
       registry: registry.astrogd.cloud
       context: --provenance=true --sbom=true .
@@ -38,7 +38,7 @@ steps:
       dockerfile: lts/Dockerfile
       auto_label: true
   - name: build-latest
-    image: plugins/docker
+    image: plugins/docker:20.18.6
     settings:
       context: --provenance=true --sbom=true .
       username:
@@ -52,7 +52,7 @@ steps:
       dockerfile: latest/Dockerfile
       auto_label: true
   - name: build-latest-astrogd
-    image: plugins/docker
+    image: plugins/docker:20.18.6
     settings:
       registry: registry.astrogd.cloud
       context: --provenance=true --sbom=true .
@@ -78,7 +78,7 @@ trigger:
     - daily
 steps:
   - name: build-lts
-    image: plugins/docker
+    image: plugins/docker:20.18.6
     settings:
       context: --provenance=true --sbom=true .
       username:
@@ -92,7 +92,7 @@ steps:
       dockerfile: lts/Dockerfile
       auto_label: true
   - name: build-lts-astrogd
-    image: plugins/docker
+    image: plugins/docker:20.18.6
     settings:
       registry: registry.astrogd.cloud
       context: --provenance=true --sbom=true .
@@ -107,7 +107,7 @@ steps:
       dockerfile: lts/Dockerfile
       auto_label: true
   - name: build-latest
-    image: plugins/docker
+    image: plugins/docker:20.18.6
     settings:
       context: --provenance=true --sbom=true .
       username:
@@ -121,7 +121,7 @@ steps:
       dockerfile: latest/Dockerfile
       auto_label: true
   - name: build-latest-astrogd
-    image: plugins/docker
+    image: plugins/docker:20.18.6
     settings:
       registry: registry.astrogd.cloud
       context: --provenance=true --sbom=true .
@@ -138,6 +138,6 @@ steps:
 
 ---
 kind: signature
-hmac: 5b2dc0c9cfe24c8e287084330e7e75260028d9b90e0b8977f99490f95b2a9c7c
+hmac: a3899b1bc619f10beb893300d22a6293791fb9ada3b45d8aa0c0870cc56ecabc
 
 ...