diff --git a/changelog.md b/changelog.md
index 3ac74faf..03139f0a 100644
--- a/changelog.md
+++ b/changelog.md
@@ -3,6 +3,7 @@
 ## 3.2.0 (unreleased)
 
 - structurizr-dsl: Adds support for `element!=` expressions.
+- structurizr-dsl: `!elements` and `!relationships` now work inside deployment environment blocks.
 
 ## 3.1.0 (4th November 2024)
 
diff --git a/structurizr-dsl/src/main/java/com/structurizr/dsl/StructurizrDslParser.java b/structurizr-dsl/src/main/java/com/structurizr/dsl/StructurizrDslParser.java
index 9581c6d5..9f6d4af2 100644
--- a/structurizr-dsl/src/main/java/com/structurizr/dsl/StructurizrDslParser.java
+++ b/structurizr-dsl/src/main/java/com/structurizr/dsl/StructurizrDslParser.java
@@ -383,14 +383,14 @@ void parse(List<String> lines, File dslFile, boolean fragment, boolean includeIn
                             }
                         }
 
-                    } else if (FIND_ELEMENTS_TOKEN.equalsIgnoreCase(firstToken) && (inContext(ModelDslContext.class) || inContext(ElementDslContext.class))) {
+                    } else if (FIND_ELEMENTS_TOKEN.equalsIgnoreCase(firstToken) && (inContext(ModelDslContext.class) || inContext(DeploymentEnvironmentDslContext.class) || inContext(ElementDslContext.class))) {
                         Set<Element> elements = new FindElementsParser().parse(getContext(), tokens.withoutContextStartToken());
 
                         if (shouldStartContext(tokens)) {
                             startContext(new ElementsDslContext(getContext(), elements));
                         }
 
-                    } else if (FIND_RELATIONSHIPS_TOKEN.equalsIgnoreCase(firstToken) && (inContext(ModelDslContext.class) || inContext(ElementDslContext.class))) {
+                    } else if (FIND_RELATIONSHIPS_TOKEN.equalsIgnoreCase(firstToken) && (inContext(ModelDslContext.class) || inContext(DeploymentEnvironmentDslContext.class) || inContext(ElementDslContext.class))) {
                         Set<Relationship> relationships = new FindRelationshipsParser().parse(getContext(), tokens.withoutContextStartToken());
 
                         if (shouldStartContext(tokens)) {