diff --git a/build.gradle b/build.gradle
index 3b1cb9781a..0547bb1fd9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -26,6 +26,7 @@ buildscript {
         if (project.hasProperty("googleRepo")) {
             maven {
                 name "Google"
+                allowInsecureProtocol true // Local Nexus in CI uses HTTP
                 url project.property("googleRepo")
             }
         } else {
@@ -45,6 +46,7 @@ buildscript {
             maven {
                 name "MavenCentral"
                 url project.property("centralRepo")
+                allowInsecureProtocol true // Local Nexus in CI uses HTTP
             }
         } else {
             mavenCentral() {
@@ -104,6 +106,7 @@ allprojects {
             maven {
                 name "Google"
                 url project.property("googleRepo")
+                allowInsecureProtocol true // Local Nexus in CI uses HTTP
             }
         } else {
             google() {
@@ -121,6 +124,7 @@ allprojects {
             maven {
                 name "MavenCentral"
                 url project.property("centralRepo")
+                allowInsecureProtocol true // Local Nexus in CI uses HTTP
             }
         } else {
             mavenCentral() {
diff --git a/buildSrc/build.gradle b/buildSrc/build.gradle
index b9646576a2..d2cf0f015a 100644
--- a/buildSrc/build.gradle
+++ b/buildSrc/build.gradle
@@ -11,6 +11,7 @@ repositories {
         maven {
             name "MavenCentral"
             url project.property("centralRepo")
+            allowInsecureProtocol true // Local Nexus in CI uses HTTP
         }
     } else {
         mavenCentral()
diff --git a/mozilla-lint-rules/build.gradle b/mozilla-lint-rules/build.gradle
index c4db4cc7e9..4a9193368d 100644
--- a/mozilla-lint-rules/build.gradle
+++ b/mozilla-lint-rules/build.gradle
@@ -13,6 +13,7 @@ repositories {
         maven {
             name "MavenCentral"
             url project.property("centralRepo")
+            allowInsecureProtocol true // Local Nexus in CI uses HTTP
         }
     } else {
         mavenCentral()