diff --git a/bazel/repository.bzl b/bazel/repository.bzl
index 9900f249fd..81c9b3f470 100644
--- a/bazel/repository.bzl
+++ b/bazel/repository.bzl
@@ -72,13 +72,23 @@ def opentelemetry_cpp_deps():
         ],
     )
 
+    maybe(
+        http_archive,
+        name = "com_github_grpc_grpc_latest11",
+        sha256 = "e266aa0d9d9cddb876484a370b94f468248594a96ca0b6f87c21f969db2b8c5b",
+        strip_prefix = "grpc-1.46.4",
+        urls = [
+            "https://github.com/grpc/grpc/archive/v1.46.4.tar.gz",
+        ],
+    )
+
     maybe(
         http_archive,
         name = "com_github_grpc_grpc",
-        sha256 = "b74ce7d26fe187970d1d8e2c06a5d3391122f7bc1fdce569aff5e435fb8fe780",
-        strip_prefix = "grpc-1.43.2",
+        sha256 = "320366665d19027cda87b2368c03939006a37e0388bfd1091c8d2a96fbc93bd8",
+        strip_prefix = "grpc-1.48.1",
         urls = [
-            "https://github.com/grpc/grpc/archive/v1.43.2.tar.gz",
+            "https://github.com/grpc/grpc/archive/v1.48.1.tar.gz",
         ],
     )
 
diff --git a/ci/do_ci.sh b/ci/do_ci.sh
index d457495032..97f5b2b98b 100755
--- a/ci/do_ci.sh
+++ b/ci/do_ci.sh
@@ -25,7 +25,7 @@ function run_benchmarks
 
   [ -z "${BENCHMARK_DIR}" ] && export BENCHMARK_DIR=$HOME/benchmark
   mkdir -p $BENCHMARK_DIR
-  bazel $BAZEL_STARTUP_OPTIONS build $BAZEL_OPTIONS_ASYNC -c opt -- \
+  bazel $BAZEL_STARTUP_OPTIONS build --cxxopt=-std=c++14 $BAZEL_OPTIONS_ASYNC -c opt -- \
     $(bazel query 'attr("tags", "benchmark_result", ...)')
   echo ""
   echo "Benchmark results in $BENCHMARK_DIR:"
@@ -59,7 +59,8 @@ mkdir -p "${BUILD_DIR}"
 [ -z "${PLUGIN_DIR}" ] && export PLUGIN_DIR=$HOME/plugin
 mkdir -p "${PLUGIN_DIR}"
 
-BAZEL_OPTIONS="--copt=-DENABLE_LOGS_PREVIEW --copt=-DENABLE_TEST --copt=-DENABLE_METRICS_EXEMPLAR_PREVIEW"
+BAZEL_OPTIONS_DEFAULT="--copt=-DENABLE_LOGS_PREVIEW --copt=-DENABLE_TEST --copt=-DENABLE_METRICS_EXEMPLAR_PREVIEW"
+BAZEL_OPTIONS="--cxxopt=-std=c++14 $BAZEL_OPTIONS_DEFAULT"
 
 BAZEL_TEST_OPTIONS="$BAZEL_OPTIONS --test_output=errors"
 
@@ -298,9 +299,13 @@ elif [[ "$1" == "bazel.valgrind" ]]; then
   bazel $BAZEL_STARTUP_OPTIONS build $BAZEL_OPTIONS_ASYNC //...
   bazel $BAZEL_STARTUP_OPTIONS test --run_under="/usr/bin/valgrind --leak-check=full --error-exitcode=1 --suppressions=\"${SRC_DIR}/ci/valgrind-suppressions\"" $BAZEL_TEST_OPTIONS_ASYNC //...
   exit 0
+elif [[ "$1" == "bazel.e2e" ]]; then
+  cd examples/e2e
+  bazel $BAZEL_STARTUP_OPTIONS build $BAZEL_OPTIONS_DEFAULT //...
+  exit 0
 elif [[ "$1" == "benchmark" ]]; then
   [ -z "${BENCHMARK_DIR}" ] && export BENCHMARK_DIR=$HOME/benchmark
-  bazel $BAZEL_STARTUP_OPTIONS build $BAZEL_OPTIONS_ASYNC -c opt -- \
+  bazel $BAZEL_STARTUP_OPTIONS build --cxxopt=-std=c++14 $BAZEL_OPTIONS_ASYNC -c opt -- \
     $(bazel query 'attr("tags", "benchmark_result", ...)')
   echo ""
   echo "Benchmark results in $BENCHMARK_DIR:"
diff --git a/exporters/otlp/test/otlp_grpc_exporter_benchmark.cc b/exporters/otlp/test/otlp_grpc_exporter_benchmark.cc
index c86f5e53ba..b4a23c04a5 100644
--- a/exporters/otlp/test/otlp_grpc_exporter_benchmark.cc
+++ b/exporters/otlp/test/otlp_grpc_exporter_benchmark.cc
@@ -187,6 +187,10 @@ BENCHMARK(BM_OtlpExporterDenseSpans);
 }  // namespace exporter
 OPENTELEMETRY_END_NAMESPACE
 
+#ifdef NDEBUG
+// disabled as valgrind reports a memroy leak at absl::lts_20220623::random_internal::(anonymous
+// namespace)::PoolAlignedAlloc()
+// see PR #1737
 namespace
 {
 opentelemetry::exporter::otlp::OtlpGrpcExporterOptions opts;
@@ -212,5 +216,6 @@ void BM_otlp_grpc_with_collector(benchmark::State &state)
 }
 BENCHMARK(BM_otlp_grpc_with_collector);
 }  // namespace
+#endif
 
 BENCHMARK_MAIN();
diff --git a/exporters/otlp/test/otlp_http_exporter_test.cc b/exporters/otlp/test/otlp_http_exporter_test.cc
index 35ae5f50d7..fe2dd37e07 100644
--- a/exporters/otlp/test/otlp_http_exporter_test.cc
+++ b/exporters/otlp/test/otlp_http_exporter_test.cc
@@ -21,6 +21,7 @@
 #  include "opentelemetry/sdk/trace/tracer_provider.h"
 #  include "opentelemetry/trace/provider.h"
 
+#  include <google/protobuf/message_lite.h>
 #  include <gtest/gtest.h>
 #  include "gmock/gmock.h"
 
@@ -466,6 +467,7 @@ TEST_F(OtlpHttpExporterTestPeer, ExportJsonIntegrationTestSync)
 TEST_F(OtlpHttpExporterTestPeer, ExportJsonIntegrationTestAsync)
 {
   ExportJsonIntegrationTestAsync();
+  google::protobuf::ShutdownProtobufLibrary();
 }
 #  endif
 
diff --git a/exporters/otlp/test/otlp_http_log_record_exporter_test.cc b/exporters/otlp/test/otlp_http_log_record_exporter_test.cc
index ca23fb7fe5..e1ab896083 100644
--- a/exporters/otlp/test/otlp_http_log_record_exporter_test.cc
+++ b/exporters/otlp/test/otlp_http_log_record_exporter_test.cc
@@ -26,6 +26,7 @@
 #    include "opentelemetry/sdk/logs/logger_provider.h"
 #    include "opentelemetry/sdk/resource/resource.h"
 
+#    include <google/protobuf/message_lite.h>
 #    include <gtest/gtest.h>
 #    include "gmock/gmock.h"
 
@@ -507,6 +508,7 @@ TEST_F(OtlpHttpLogRecordExporterTestPeer, ExportJsonIntegrationTestSync)
 TEST_F(OtlpHttpLogRecordExporterTestPeer, ExportJsonIntegrationTestAsync)
 {
   ExportJsonIntegrationTestAsync();
+  google::protobuf::ShutdownProtobufLibrary();
 }
 #    endif
 
diff --git a/exporters/otlp/test/otlp_http_metric_exporter_test.cc b/exporters/otlp/test/otlp_http_metric_exporter_test.cc
index c8ccb8cc8f..7d4f2a1ebd 100644
--- a/exporters/otlp/test/otlp_http_metric_exporter_test.cc
+++ b/exporters/otlp/test/otlp_http_metric_exporter_test.cc
@@ -23,6 +23,7 @@
 #include "opentelemetry/sdk/metrics/instruments.h"
 #include "opentelemetry/sdk/resource/resource.h"
 
+#include <google/protobuf/message_lite.h>
 #include <gtest/gtest.h>
 #include "gmock/gmock.h"
 
@@ -845,6 +846,7 @@ TEST_F(OtlpHttpMetricExporterTestPeer, ConfigJsonBytesMappingTest)
   opts.json_bytes_mapping = JsonBytesMappingKind::kHex;
   std::unique_ptr<OtlpHttpMetricExporter> exporter(new OtlpHttpMetricExporter(opts));
   EXPECT_EQ(GetOptions(exporter).json_bytes_mapping, JsonBytesMappingKind::kHex);
+  google::protobuf::ShutdownProtobufLibrary();
 }
 
 #ifndef NO_GETENV