diff --git a/eo-parser/pom.xml b/eo-parser/pom.xml
index f4c866cd89..5a1f522cb4 100644
--- a/eo-parser/pom.xml
+++ b/eo-parser/pom.xml
@@ -153,6 +153,11 @@ SOFTWARE.
       <artifactId>jucs</artifactId>
       <!-- version from parent POM -->
     </dependency>
+    <dependency>
+      <groupId>com.yegor256</groupId>
+      <artifactId>jping</artifactId>
+      <!-- version from parent POM -->
+    </dependency>
     <dependency>
       <groupId>org.eolang</groupId>
       <artifactId>xax</artifactId>
diff --git a/eo-parser/src/test/java/org/eolang/parser/StrictXmirTest.java b/eo-parser/src/test/java/org/eolang/parser/StrictXmirTest.java
index e48720564c..d893dcca79 100644
--- a/eo-parser/src/test/java/org/eolang/parser/StrictXmirTest.java
+++ b/eo-parser/src/test/java/org/eolang/parser/StrictXmirTest.java
@@ -28,6 +28,7 @@
 import com.jcabi.xml.XMLDocument;
 import com.yegor256.Mktmp;
 import com.yegor256.MktmpResolver;
+import com.yegor256.WeAreOnline;
 import java.nio.file.Path;
 import org.hamcrest.MatcherAssert;
 import org.hamcrest.Matchers;
@@ -46,6 +47,7 @@ final class StrictXmirTest {
 
     @Test
     @ExtendWith(MktmpResolver.class)
+    @ExtendWith(WeAreOnline.class)
     void validatesXmir(@Mktmp final Path tmp) {
         MatcherAssert.assertThat(
             "validation should pass as normal",