diff --git a/command-snapshot.json b/command-snapshot.json
index 4fce687e..8ac0d7a2 100644
--- a/command-snapshot.json
+++ b/command-snapshot.json
@@ -68,7 +68,7 @@
       "testlevel",
       "u"
     ],
-    "flagChars": ["c", "d", "l", "n", "o", "r", "s", "t", "v", "w", "y"],
+    "flagChars": ["c", "d", "i", "l", "n", "o", "r", "s", "t", "v", "w", "y"],
     "flags": [
       "api-version",
       "class-names",
@@ -78,6 +78,7 @@
       "flags-dir",
       "json",
       "loglevel",
+      "poll-interval",
       "output-dir",
       "result-format",
       "suite-names",
diff --git a/messages/runtest.md b/messages/runtest.md
index 7cf94e00..aae954df 100644
--- a/messages/runtest.md
+++ b/messages/runtest.md
@@ -127,3 +127,7 @@ Display detailed code coverage per test.
 # flags.concise.summary
 
 Display only failed test results; works with human-readable output only.
+
+# flags.poll-interval.summary
+
+Number of seconds to wait between retries.
diff --git a/package.json b/package.json
index 640c5c75..ce18047e 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "author": "Salesforce",
   "bugs": "https://github.com/forcedotcom/cli/issues",
   "dependencies": {
-    "@salesforce/apex-node": "^8.3.8",
+    "@salesforce/apex-node": "^8.4.0",
     "@salesforce/core": "^8.23.4",
     "@salesforce/kit": "^3.2.3",
     "@salesforce/sf-plugins-core": "^12.2.5",
diff --git a/src/commands/apex/run/test.ts b/src/commands/apex/run/test.ts
index 39d99ff6..9f066142 100644
--- a/src/commands/apex/run/test.ts
+++ b/src/commands/apex/run/test.ts
@@ -80,6 +80,12 @@ export default class Test extends SfCommand<RunCommandResult> {
       description: messages.getMessage('flags.tests.description'),
       exclusive: exclusiveTestSpecifiers.filter((specifier) => specifier !== 'tests'),
     }),
+    'poll-interval': Flags.duration({
+      unit: 'seconds',
+      char: 'i',
+      summary: messages.getMessage('flags.poll-interval.summary'),
+      min: 1,
+    }),
     // we want to pass `undefined` to the API
     // eslint-disable-next-line sf-plugin/flag-min-max-default
     wait: Flags.duration({
diff --git a/src/shared/TestRunService.ts b/src/shared/TestRunService.ts
index ad0b1a15..3e035af7 100644
--- a/src/shared/TestRunService.ts
+++ b/src/shared/TestRunService.ts
@@ -40,6 +40,7 @@ export type TestRunFlags = {
   'result-format'?: string;
   json?: boolean;
   'test-category'?: string[];
+  'poll-interval'?: Duration;
 };
 
 export type TestRunConfig = {
@@ -169,7 +170,8 @@ export class TestRunService {
         flags.wait && flags.wait.minutes > 0 ? false : !(flags.synchronous && !flags.json),
         undefined,
         cancellationToken.token,
-        flags.wait
+        flags.wait,
+        flags['poll-interval']
       )) as TestRunIdResult;
     } catch (e) {
       throw TestRunService.handleTestingServerError(SfError.wrap(e), flags, testLevel, config);
diff --git a/yarn.lock b/yarn.lock
index ffcd2d9e..5899a9ce 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1508,10 +1508,10 @@
   resolved "https://registry.yarnpkg.com/@rtsao/scc/-/scc-1.1.0.tgz#927dd2fae9bc3361403ac2c7a00c32ddce9ad7e8"
   integrity sha512-zt6OdqaDoOnJ1ZYsCYGt9YmWzDXl4vQdKTyJev62gFhRGKdx7mcT54V9KIjg+d2wi9EXsPvAPKe7i7WjfVWB8g==
 
-"@salesforce/apex-node@^8.3.8":
-  version "8.3.8"
-  resolved "https://registry.yarnpkg.com/@salesforce/apex-node/-/apex-node-8.3.8.tgz#fceda4ebb7cb70813bc377ac2ce1682b288e6567"
-  integrity sha512-dscXGEMc2+/oh1I8nQRn89wUnzGuyph2cyY1Lu3pNu/wh4ivrwzEm0fNJ3YHylVcOqDtujc8fKIKU0wZlJBddg==
+"@salesforce/apex-node@^8.4.0":
+  version "8.4.0"
+  resolved "https://registry.yarnpkg.com/@salesforce/apex-node/-/apex-node-8.4.0.tgz#20faa5e7f606f7c0ccb5bd9108415691072f7f84"
+  integrity sha512-zmXfNodRaE8R3tvjSf93db4V2nz7fXD+G9xEaAjLTR+LajNS84SG0bgdKOmD3PT7DHQdyn4r3OaNObTPg6kBEA==
   dependencies:
     "@salesforce/core" "^8.23.4"
     "@salesforce/kit" "^3.2.4"