diff --git a/WORKSPACE b/WORKSPACE
index e74e13b1e..692dcfd4e 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -2,6 +2,7 @@ workspace(name = "io_bazel_rules_scala")
 
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
+load("@bazel_tools//tools/build_defs/repo:jvm.bzl", "jvm_maven_import_external")
 load("//scala:scala.bzl", "scala_repositories")
 
 scala_repositories()
@@ -29,41 +30,50 @@ specs2_junit_repositories()
 
 load("//scala:scala_cross_version.bzl", "default_scala_major_version", "scala_mvn_artifact")
 
+MAVEN_SERVER_URLS = [
+    "https://jcenter.bintray.com",
+    "https://repo1.maven.org/maven2",
+]
+
 # test adding a scala jar:
-maven_jar(
+jvm_maven_import_external(
     name = "com_twitter__scalding_date",
     artifact = scala_mvn_artifact(
         "com.twitter:scalding-date:0.17.0",
         default_scala_major_version(),
     ),
-    sha1 = "420fb0c4f737a24b851c4316ee0362095710caa5",
+    artifact_sha256 = "bf743cd6d224a4568d6486a2b794143e23145d2afd7a1d2de412d49e45bdb308",
+    server_urls = MAVEN_SERVER_URLS,
 )
 
 # For testing that we don't include sources jars to the classpath
-maven_jar(
+jvm_maven_import_external(
     name = "org_typelevel__cats_core",
     artifact = scala_mvn_artifact(
         "org.typelevel:cats-core:0.9.0",
         default_scala_major_version(),
     ),
-    sha1 = "b2f8629c6ec834d8b6321288c9fe77823f1e1314",
+    artifact_sha256 = "3fda7a27114b0d178107ace5c2cf04e91e9951810690421768e65038999ffca5",
+    server_urls = MAVEN_SERVER_URLS,
 )
 
 # test of a plugin
-maven_jar(
+jvm_maven_import_external(
     name = "org_psywerx_hairyfotr__linter",
     artifact = scala_mvn_artifact(
         "org.psywerx.hairyfotr:linter:0.1.13",
         default_scala_major_version(),
     ),
-    sha1 = "e5b3e2753d0817b622c32aedcb888bcf39e275b4",
+    artifact_sha256 = "9444dd78684c0cc89d070af0f5ca3f3ae7d56b2a4d7ac1c038f8218ad4d66fad",
+    server_urls = MAVEN_SERVER_URLS,
 )
 
 # test of strict deps (scalac plugin UT + E2E)
-maven_jar(
+jvm_maven_import_external(
     name = "com_google_guava_guava_21_0_with_file",
     artifact = "com.google.guava:guava:21.0",
-    sha1 = "3a3d111be1be1b745edfa7d91678a12d7ed38709",
+    artifact_sha256 = "972139718abc8a4893fa78cba8cf7b2c903f35c97aaf44fa3031b0669948b480",
+    server_urls = MAVEN_SERVER_URLS,
 )
 
 # test of import external
@@ -84,10 +94,11 @@ scala_maven_import_external(
     srcjar_sha256 = "5e586357a289f5fe896f7b48759e1c16d9fa419333156b496696887e613d7a19",
 )
 
-maven_jar(
+jvm_maven_import_external(
     name = "org_apache_commons_commons_lang_3_5",
     artifact = "org.apache.commons:commons-lang3:3.5",
-    sha1 = "6c6c702c89bfff3cd9e80b04d668c5e190d588c6",
+    artifact_sha256 = "8ac96fc686512d777fca85e144f196cd7cfe0c0aec23127229497d1a38ff651c",
+    server_urls = MAVEN_SERVER_URLS,
 )
 
 new_local_repository(
@@ -228,6 +239,7 @@ scala_maven_import_external(
         "org.spire-math:kind-projector:0.9.10",
         default_scala_major_version(),
     ),
+    artifact_sha256 = "897460d4488b7dd6ac9198937d6417b36cc6ec8ab3693fdf2c532652f26c4373",
     fetch_sources = False,
     licenses = ["notice"],
     server_urls = [
diff --git a/test/shell/test_scala_library.sh b/test/shell/test_scala_library.sh
index 03e8c1c14..0a5ada9f4 100755
--- a/test/shell/test_scala_library.sh
+++ b/test/shell/test_scala_library.sh
@@ -66,7 +66,7 @@ test_scala_library_expect_failure_on_missing_direct_external_deps_jar() {
 }
 
 test_scala_library_expect_failure_on_missing_direct_external_deps_file_group() {
-  dependenecy_target='@com_google_guava_guava_21_0_with_file//jar:jar'
+  dependenecy_target='@com_google_guava_guava_21_0_with_file//:com_google_guava_guava_21_0_with_file'
   test_target='test_expect_failure/missing_direct_deps/external_deps:transitive_external_dependency_user_file_group'
 
   test_scala_library_expect_failure_on_missing_direct_deps $dependenecy_target $test_target
diff --git a/test/src/main/scala/scalarules/test/scala_import/BUILD b/test/src/main/scala/scalarules/test/scala_import/BUILD
index 1d46bb0e3..0ffc07d7c 100644
--- a/test/src/main/scala/scalarules/test/scala_import/BUILD
+++ b/test/src/main/scala/scalarules/test/scala_import/BUILD
@@ -5,8 +5,8 @@ load("//scala:scala_import.bzl", "scala_import")
 scala_import(
     name = "guava_and_commons_lang",
     jars = [
-        "@com_google_guava_guava_21_0_with_file//jar:file",
-        "@org_apache_commons_commons_lang_3_5//jar:file",
+        "@com_google_guava_guava_21_0_with_file//:guava-21.0.jar",
+        "@org_apache_commons_commons_lang_3_5//:commons-lang3-3.5.jar",
     ],
 )
 
@@ -41,23 +41,19 @@ scala_specs2_junit_test(
     deps = [":relate"],
 )
 
-#filter source jars
-scala_import(
-    name = "cats",
-    jars = ["@org_typelevel__cats_core//jar:file"],
-)
-
 scala_library(
     name = "source_jar_not_oncp",
     srcs = ["ReferCatsImplicits.scala"],
-    deps = [":cats"],
+    # jvm_maven_import_external doesn't fetch source jars automatically
+    deps = ["@org_typelevel__cats_core//jar"],
 )
 
 ##Runtime deps
 scala_import(
     name = "indirection_for_transitive_runtime_deps",
     jars = [],
-    runtime_deps = [":cats"],
+    # jvm_maven_import_external doesn't fetch source jars automatically
+    deps = ["@org_typelevel__cats_core//jar"],
 )
 
 scala_import(
@@ -80,8 +76,8 @@ scala_specs2_junit_test(
 java_import(
     name = "guava_and_commons_lang_java_import",
     jars = [
-        "@com_google_guava_guava_21_0_with_file//jar:file",
-        "@org_apache_commons_commons_lang_3_5//jar:file",
+        "@com_google_guava_guava_21_0_with_file//:guava-21.0.jar",
+        "@org_apache_commons_commons_lang_3_5//:commons-lang3-3.5.jar",
     ],
 )
 
diff --git a/test_expect_failure/scala_import/BUILD b/test_expect_failure/scala_import/BUILD
index 49fa45764..b1d5564ea 100644
--- a/test_expect_failure/scala_import/BUILD
+++ b/test_expect_failure/scala_import/BUILD
@@ -6,18 +6,18 @@ load("//scala:scala_import.bzl", "scala_import")
 
 scala_import(
     name = "dummy_dependency_to_trigger_create_provider_transitive_compile_jar_usage",
-    jars = ["@org_psywerx_hairyfotr__linter//jar:file"],
+    jars = ["@org_psywerx_hairyfotr__linter//jar"],
 )
 
 scala_import(
     name = "guava",
-    jars = ["@com_google_guava_guava_21_0_with_file//jar:file"],
+    jars = ["@com_google_guava_guava_21_0_with_file//jar"],
     deps = [":dummy_dependency_to_trigger_create_provider_transitive_compile_jar_usage"],
 )
 
 scala_import(
     name = "cats",
-    jars = ["@org_typelevel__cats_core//jar:file"],
+    jars = ["@org_typelevel__cats_core//jar"],
 )
 
 scala_import(
@@ -28,7 +28,7 @@ scala_import(
 
 scala_import(
     name = "commons_lang_as_imported_jar_cats_and_guava_as_compile_deps",
-    jars = ["@org_apache_commons_commons_lang_3_5//jar:file"],
+    jars = ["@org_apache_commons_commons_lang_3_5//jar"],
     deps = [
         ":guava",
         ":indirection_for_transitive_compile_deps",