diff --git a/apps/webservice/src/app/[workspaceSlug]/_components/CreateRelease.tsx b/apps/webservice/src/app/[workspaceSlug]/_components/CreateRelease.tsx
index 58d7cee6..6701dd57 100644
--- a/apps/webservice/src/app/[workspaceSlug]/_components/CreateRelease.tsx
+++ b/apps/webservice/src/app/[workspaceSlug]/_components/CreateRelease.tsx
@@ -59,7 +59,10 @@ const releaseForm = z.object({
   systemId: z.string().uuid(),
   deploymentId: z.string().uuid(),
   version: z.string().min(1).max(255),
-  releaseDependencies: z.array(releaseDependency),
+  releaseDependencies: z.array(releaseDependency).refine((deps) => {
+    const deploymentIds = deps.map((d) => d.deploymentId);
+    return new Set(deploymentIds).size === deploymentIds.length;
+  }, "Cannot reuse a deployment in multiple release dependencies"),
 });
 
 export const CreateReleaseDialog: React.FC<{
@@ -129,10 +132,7 @@ export const CreateReleaseDialog: React.FC<{
       numOfReleaseJobTriggers === 0
         ? `No targets to deploy release too.`
         : `Dispatching ${release.releaseJobTriggers.length} job configuration${release.releaseJobTriggers.length > 1 ? "s" : ""}.`,
-      {
-        dismissible: true,
-        duration: 2_000,
-      },
+      { dismissible: true, duration: 2_000 },
     );
 
     props.onClose?.();
@@ -144,6 +144,8 @@ export const CreateReleaseDialog: React.FC<{
     name: "releaseDependencies",
   });
 
+  const formErrors = form.formState.errors.releaseDependencies ?? null;
+
   return (
     <Dialog open={open} onOpenChange={setOpen}>
       <DialogTrigger asChild>{children}</DialogTrigger>
@@ -239,31 +241,36 @@ export const CreateReleaseDialog: React.FC<{
               </span>
 
               {fields.map((_, index) => (
-                <div className="flex items-center gap-2">
+                <div key={index} className="flex items-center gap-2">
                   <FormField
                     control={form.control}
                     name={`releaseDependencies.${index}.deploymentId`}
                     render={({ field: { value, onChange } }) => (
                       <FormItem>
-                        <Select value={value} onValueChange={onChange}>
-                          <SelectTrigger className="w-32 text-sm">
-                            <SelectValue placeholder="Deployment" key={value} />
-                          </SelectTrigger>
-                          <SelectContent>
-                            <SelectGroup>
-                              {globalDeployments.data
-                                ?.filter((d) => d.id !== deploymentId)
-                                .map((deployment) => (
-                                  <SelectItem
-                                    key={deployment.id}
-                                    value={deployment.id}
-                                  >
-                                    {deployment.name}
-                                  </SelectItem>
-                                ))}
-                            </SelectGroup>
-                          </SelectContent>
-                        </Select>
+                        <FormControl>
+                          <Select value={value} onValueChange={onChange}>
+                            <SelectTrigger className="w-32 text-sm">
+                              <SelectValue
+                                placeholder="Deployment"
+                                key={value}
+                              />
+                            </SelectTrigger>
+                            <SelectContent>
+                              <SelectGroup>
+                                {globalDeployments.data
+                                  ?.filter((d) => d.id !== deploymentId)
+                                  .map((deployment) => (
+                                    <SelectItem
+                                      key={deployment.id}
+                                      value={deployment.id}
+                                    >
+                                      {deployment.name}
+                                    </SelectItem>
+                                  ))}
+                              </SelectGroup>
+                            </SelectContent>
+                          </Select>
+                        </FormControl>
                       </FormItem>
                     )}
                   />
@@ -273,19 +280,21 @@ export const CreateReleaseDialog: React.FC<{
                     name={`releaseDependencies.${index}.releaseFilter`}
                     render={({ field: { value, onChange } }) => (
                       <FormItem>
-                        <ReleaseConditionDialog
-                          condition={value}
-                          onChange={onChange}
-                        >
-                          <Button variant="ghost" size="icon">
-                            {isEmptyCondition(value) && (
-                              <IconFilterExclamation className="h-4 w-4" />
-                            )}
-                            {!isEmptyCondition(value) && (
-                              <IconFilterFilled className="h-4 w-4" />
-                            )}
-                          </Button>
-                        </ReleaseConditionDialog>
+                        <FormControl>
+                          <ReleaseConditionDialog
+                            condition={value}
+                            onChange={onChange}
+                          >
+                            <Button variant="ghost" size="icon">
+                              {isEmptyCondition(value) && (
+                                <IconFilterExclamation className="h-4 w-4" />
+                              )}
+                              {!isEmptyCondition(value) && (
+                                <IconFilterFilled className="h-4 w-4" />
+                              )}
+                            </Button>
+                          </ReleaseConditionDialog>
+                        </FormControl>
                       </FormItem>
                     )}
                   />
@@ -319,6 +328,12 @@ export const CreateReleaseDialog: React.FC<{
               </Button>
             </div>
 
+            {formErrors?.root?.message && (
+              <div className="text-sm text-red-500">
+                {formErrors.root.message}
+              </div>
+            )}
+
             <DialogFooter>
               <Button type="submit">Create</Button>
             </DialogFooter>
diff --git a/apps/webservice/src/app/[workspaceSlug]/_components/relationships/RelationshipsDiagramDependencies.tsx b/apps/webservice/src/app/[workspaceSlug]/_components/relationships/RelationshipsDiagramDependencies.tsx
index ac72a0e2..428cf72f 100644
--- a/apps/webservice/src/app/[workspaceSlug]/_components/relationships/RelationshipsDiagramDependencies.tsx
+++ b/apps/webservice/src/app/[workspaceSlug]/_components/relationships/RelationshipsDiagramDependencies.tsx
@@ -271,6 +271,7 @@ export const TargetDiagramDependencies: React.FC<{
   relationships: Array<schema.TargetRelationship>;
   targets: Array<schema.Target>;
   releaseDependencies: (schema.ReleaseDependency & {
+    deploymentName: string;
     target?: string;
   })[];
 }> = ({ targetId, relationships, targets, releaseDependencies }) => {
@@ -385,12 +386,12 @@ export const TargetDiagramDependencies: React.FC<{
           }}
         >
           <SelectTrigger>
-            <SelectValue placeholder="Select a release" />
+            <SelectValue placeholder="Select a dependency" />
           </SelectTrigger>
           <SelectContent>
             {releaseDependencies.map((rd) => (
               <SelectItem key={rd.id} value={rd.id}>
-                {rd.deploymentId}
+                {rd.deploymentName}
               </SelectItem>
             ))}
           </SelectContent>
diff --git a/apps/webservice/src/app/[workspaceSlug]/_components/target-drawer/relationships/RelationshipsDiagram.tsx b/apps/webservice/src/app/[workspaceSlug]/_components/target-drawer/relationships/RelationshipsDiagram.tsx
index a57f2226..05e1742b 100644
--- a/apps/webservice/src/app/[workspaceSlug]/_components/target-drawer/relationships/RelationshipsDiagram.tsx
+++ b/apps/webservice/src/app/[workspaceSlug]/_components/target-drawer/relationships/RelationshipsDiagram.tsx
@@ -237,15 +237,13 @@ const TargetDiagram: React.FC<{
     })),
   );
   const [edges, __, onEdgesChange] = useEdgesState(
-    relationships.map((t) => {
-      return {
-        id: `${t.sourceId}-${t.targetId}`,
-        source: t.sourceId,
-        target: t.targetId,
-        markerEnd: { type: MarkerType.Arrow, color: colors.neutral[700] },
-        style: { stroke: colors.neutral[700] },
-      };
-    }),
+    relationships.map((t) => ({
+      id: `${t.sourceId}-${t.targetId}`,
+      source: t.sourceId,
+      target: t.targetId,
+      markerEnd: { type: MarkerType.Arrow, color: colors.neutral[700] },
+      style: { stroke: colors.neutral[700] },
+    })),
   );
   const onLayout = useOnLayout();
 
diff --git a/apps/webservice/src/app/api/v1/workspaces/[workspaceId]/targets/route.ts b/apps/webservice/src/app/api/v1/workspaces/[workspaceId]/targets/route.ts
index 8fbcf4cb..fefb80fb 100644
--- a/apps/webservice/src/app/api/v1/workspaces/[workspaceId]/targets/route.ts
+++ b/apps/webservice/src/app/api/v1/workspaces/[workspaceId]/targets/route.ts
@@ -128,7 +128,7 @@ const bodySchema = z.array(
         )
         .optional()
         .refine(
-          (vars) => new Set(vars?.map((v) => v.key)).size === vars?.length,
+          (vars) => vars?.length ?? 0 === new Set(vars?.map((v) => v.key)).size,
           "Duplicate variable keys are not allowed",
         ),
     }),
diff --git a/packages/api/src/router/job.ts b/packages/api/src/router/job.ts
index 525b5239..5ccb5dac 100644
--- a/packages/api/src/router/job.ts
+++ b/packages/api/src/router/job.ts
@@ -83,6 +83,7 @@ const processReleaseJobTriggerWithAdditionalDataRows = (
     environment_policy_release_window: EnvironmentPolicyReleaseWindow | null;
     user?: User | null;
     release_dependency?: ReleaseDependency | null;
+    deployment_name?: { deploymentName: string; deploymentId: string } | null;
   }>,
 ) =>
   _.chain(rows)
@@ -99,7 +100,16 @@ const processReleaseJobTriggerWithAdditionalDataRows = (
       target: v[0]!.target,
       release: { ...v[0]!.release, deployment: v[0]!.deployment },
       environment: v[0]!.environment,
-      releaseDependencies: v.map((r) => r.release_dependency).filter(isPresent),
+      releaseDependencies: v
+        .map((r) =>
+          r.release_dependency != null
+            ? {
+                ...r.release_dependency,
+                deploymentName: r.deployment_name!.deploymentName,
+              }
+            : null,
+        )
+        .filter(isPresent),
       rolloutDate:
         v[0]!.environment_policy != null
           ? rolloutDateFromReleaseJobTrigger(
@@ -294,6 +304,14 @@ const releaseJobTriggerRouter = createTRPCRouter({
         canUser.perform(Permission.JobGet).on({ type: "job", id: input }),
     })
     .query(async ({ ctx, input }) => {
+      const deploymentName = ctx.db
+        .select({
+          deploymentName: deployment.name,
+          deploymentId: deployment.id,
+        })
+        .from(deployment)
+        .as("deployment_name");
+
       const data = await releaseJobTriggerQuery(ctx.db)
         .leftJoin(user, eq(releaseJobTrigger.causedById, user.id))
         .leftJoin(jobMetadata, eq(jobMetadata.jobId, job.id))
@@ -309,6 +327,10 @@ const releaseJobTriggerRouter = createTRPCRouter({
           releaseDependency,
           eq(releaseDependency.releaseId, release.id),
         )
+        .leftJoin(
+          deploymentName,
+          eq(deploymentName.deploymentId, releaseDependency.deploymentId),
+        )
         .where(eq(job.id, input))
         .then(processReleaseJobTriggerWithAdditionalDataRows)
         .then(takeFirst);
diff --git a/packages/job-dispatch/src/index.ts b/packages/job-dispatch/src/index.ts
index a46e9927..34b09a37 100644
--- a/packages/job-dispatch/src/index.ts
+++ b/packages/job-dispatch/src/index.ts
@@ -17,6 +17,7 @@ export * from "./policies/gradual-rollout.js";
 export * from "./policies/manual-approval.js";
 export * from "./policies/release-sequencing.js";
 export * from "./policies/success-rate-criteria-passing.js";
+export * from "./policies/release-dependency.js";
 export * from "./policies/release-string-check.js";
 export * from "./policies/concurrency-policy.js";
 export * from "./policies/release-window.js";
diff --git a/packages/job-dispatch/src/new-target.ts b/packages/job-dispatch/src/new-target.ts
index 158576ac..e7f910a1 100644
--- a/packages/job-dispatch/src/new-target.ts
+++ b/packages/job-dispatch/src/new-target.ts
@@ -3,6 +3,7 @@ import type { Tx } from "@ctrlplane/db";
 import { dispatchReleaseJobTriggers } from "./job-dispatch.js";
 import { isPassingLockingPolicy } from "./lock-checker.js";
 import { isPassingApprovalPolicy } from "./policies/manual-approval.js";
+import { isPassingReleaseDependencyPolicy } from "./policies/release-dependency.js";
 import { createReleaseJobTriggers } from "./release-job-trigger.js";
 
 /**
@@ -20,7 +21,11 @@ export async function dispatchJobsForNewTargets(
   if (releaseJobTriggers.length === 0) return;
 
   await dispatchReleaseJobTriggers(db)
-    .filter(isPassingLockingPolicy, isPassingApprovalPolicy)
+    .filter(
+      isPassingLockingPolicy,
+      isPassingApprovalPolicy,
+      isPassingReleaseDependencyPolicy,
+    )
     .releaseTriggers(releaseJobTriggers)
     .dispatch();
 }