diff --git a/bazel/README.md b/bazel/README.md
index 4f1512e9e171d..0e58047adc0d0 100644
--- a/bazel/README.md
+++ b/bazel/README.md
@@ -6,7 +6,7 @@ It is recommended to use [Bazelisk](https://github.com/bazelbuild/bazelisk) inst
 On Linux, run the following commands:
 
 ```
-sudo wget -O /usr/local/bin/bazel https://github.com/bazelbuild/bazelisk/releases/download/v0.0.8/bazelisk-linux-amd64
+sudo wget -O /usr/local/bin/bazel https://github.com/bazelbuild/bazelisk/releases/latest/download/bazelisk-linux-amd64
 sudo chmod +x /usr/local/bin/bazel
 ```
 
diff --git a/bazel/external/jinja.BUILD b/bazel/external/jinja.BUILD
index f7ce6718caeb9..044c88d4ad152 100644
--- a/bazel/external/jinja.BUILD
+++ b/bazel/external/jinja.BUILD
@@ -2,7 +2,7 @@ licenses(["notice"])  # Apache 2
 
 py_library(
     name = "jinja2",
-    srcs = glob(["jinja2/**/*.py"]),
+    srcs = glob(["src/jinja2/*.py"]),
     visibility = ["//visibility:public"],
     deps = ["@com_github_pallets_markupsafe//:markupsafe"],
 )
diff --git a/bazel/repository_locations.bzl b/bazel/repository_locations.bzl
index d89b139ee5f8a..7c299f076d54b 100644
--- a/bazel/repository_locations.bzl
+++ b/bazel/repository_locations.bzl
@@ -1,19 +1,19 @@
 REPOSITORY_LOCATIONS = dict(
     bazel_compdb = dict(
-        sha256 = "87e376a685eacfb27bcc0d0cdf5ded1d0b99d868390ac50f452ba6ed781caffe",
-        strip_prefix = "bazel-compilation-database-0.4.2",
-        urls = ["https://github.com/grailbio/bazel-compilation-database/archive/0.4.2.tar.gz"],
+        sha256 = "9a1f88851a556104c67065c3dafa99ce47235635713d717f26a43637c8b4ab3d",
+        strip_prefix = "bazel-compilation-database-0.4.3",
+        urls = ["https://github.com/grailbio/bazel-compilation-database/archive/0.4.3.tar.gz"],
     ),
     bazel_gazelle = dict(
-        sha256 = "86c6d481b3f7aedc1d60c1c211c6f76da282ae197c3b3160f54bd3a8f847896f",
-        urls = ["https://github.com/bazelbuild/bazel-gazelle/releases/download/v0.19.1/bazel-gazelle-v0.19.1.tar.gz"],
+        sha256 = "d8c45ee70ec39a57e7a05e5027c32b1576cc7f16d9dd37135b0eddde45cf1b10",
+        urls = ["https://github.com/bazelbuild/bazel-gazelle/releases/download/v0.20.0/bazel-gazelle-v0.20.0.tar.gz"],
     ),
     bazel_toolchains = dict(
-        sha256 = "1342f84d4324987f63307eb6a5aac2dff6d27967860a129f5cd40f8f9b6fd7dd",
-        strip_prefix = "bazel-toolchains-2.2.0",
+        sha256 = "e754d6028845423b2cc7a6c375f9657fe0b0bbb196d76c8de6dd129c3aa74023",
+        strip_prefix = "bazel-toolchains-2.2.3",
         urls = [
-            "https://github.com/bazelbuild/bazel-toolchains/releases/download/2.2.0/bazel-toolchains-2.2.0.tar.gz",
-            "https://mirror.bazel.build/github.com/bazelbuild/bazel-toolchains/archive/2.2.0.tar.gz",
+            "https://github.com/bazelbuild/bazel-toolchains/releases/download/2.2.3/bazel-toolchains-2.2.3.tar.gz",
+            "https://mirror.bazel.build/github.com/bazelbuild/bazel-toolchains/archive/2.2.3.tar.gz",
         ],
     ),
     build_bazel_rules_apple = dict(
@@ -95,9 +95,9 @@ REPOSITORY_LOCATIONS = dict(
         urls = ["https://github.com/gabime/spdlog/archive/v1.4.0.tar.gz"],
     ),
     com_github_google_libprotobuf_mutator = dict(
-        sha256 = "",
+        sha256 = "f6def6cdf63e29a367d46c0ad9e3e31eed89d031e22e0caac126f1e62d8b3fd0",
         strip_prefix = "libprotobuf-mutator-3521f47a2828da9ace403e4ecc4aece1a84feb36",
-        # 2020-02-04
+        # 2020-02-05
         urls = ["https://github.com/google/libprotobuf-mutator/archive/3521f47a2828da9ace403e4ecc4aece1a84feb36.tar.gz"],
     ),
     com_github_gperftools_gperftools = dict(
@@ -194,9 +194,9 @@ REPOSITORY_LOCATIONS = dict(
         urls = ["https://github.com/nodejs/http-parser/archive/v2.9.3.tar.gz"],
     ),
     com_github_pallets_jinja = dict(
-        sha256 = "db49236731373e4f3118af880eb91bb0aa6978bc0cf8b35760f6a026f1a9ffc4",
-        strip_prefix = "jinja-2.10.3",
-        urls = ["https://github.com/pallets/jinja/archive/2.10.3.tar.gz"],
+        sha256 = "35ccc930685e37c4762258917e822b5db29b60431afb6d6e00e22b4f5287165a",
+        strip_prefix = "jinja-2.11.1",
+        urls = ["https://github.com/pallets/jinja/archive/2.11.1.tar.gz"],
     ),
     com_github_pallets_markupsafe = dict(
         sha256 = "222a10e3237d92a9cd45ed5ea882626bc72bc5e0264d3ed0f2c9129fa69fc167",
diff --git a/ci/windows_ci_setup.ps1 b/ci/windows_ci_setup.ps1
index c0709a75cadca..1b68cbc0d37ea 100644
--- a/ci/windows_ci_setup.ps1
+++ b/ci/windows_ci_setup.ps1
@@ -25,11 +25,11 @@ function Checksum
 
 mkdir "$env:TOOLS_BIN_DIR"
 $wc = New-Object System.Net.WebClient
-$wc.DownloadFile("https://github.com/bazelbuild/bazelisk/releases/download/v1.0/bazelisk-windows-amd64.exe", "$env:TOOLS_BIN_DIR\bazel.exe")
-$wc.DownloadFile("https://github.com/ninja-build/ninja/releases/download/v1.9.0/ninja-win.zip", "$env:TOOLS_BIN_DIR\ninja-win.zip")
+$wc.DownloadFile("https://github.com/bazelbuild/bazelisk/releases/download/v1.3.0/bazelisk-windows-amd64.exe", "$env:TOOLS_BIN_DIR\bazel.exe")
+$wc.DownloadFile("https://github.com/ninja-build/ninja/releases/download/v1.10.0/ninja-win.zip", "$env:TOOLS_BIN_DIR\ninja-win.zip")
 
 # Check the SHA256 file hash of each downloaded file.
-Checksum $env:TOOLS_BIN_DIR\bazel.exe 96395ee9e3fb9f4499fcaffa8a94dd72b0748f495f366bc4be44dbf09d6827fc SHA256
-Checksum $env:TOOLS_BIN_DIR\ninja-win.zip 2d70010633ddaacc3af4ffbd21e22fae90d158674a09e132e06424ba3ab036e9 SHA256
+Checksum $env:TOOLS_BIN_DIR\bazel.exe 31fa9fcf250fe64aa3c5c83b69d76e1e9571b316a58bb5c714084495623e38b0 SHA256
+Checksum $env:TOOLS_BIN_DIR\ninja-win.zip 919fd158c16bf135e8a850bb4046ec1ce28a7439ee08b977cd0b7f6b3463d178 SHA256
 
 Unzip "$env:TOOLS_BIN_DIR\ninja-win.zip" "$env:TOOLS_BIN_DIR"
diff --git a/configs/requirements.txt b/configs/requirements.txt
index 83e5040a3fc9e..10625b546fdb0 100644
--- a/configs/requirements.txt
+++ b/configs/requirements.txt
@@ -1 +1 @@
-jinja2==2.10.3
+Jinja2==2.11.1
diff --git a/docs/requirements.txt b/docs/requirements.txt
index 003a06ab5257f..2b31b4e5ff1d9 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,5 +1,5 @@
 GitPython==3.0.0
-Jinja2==2.10.3
+Jinja2==2.11.1
 MarkupSafe==1.1.1
 Pygments==2.4.2
 alabaster==0.7.12
diff --git a/source/extensions/filters/network/kafka/protocol/generator.py b/source/extensions/filters/network/kafka/protocol/generator.py
index d03791c6eef6a..2208811395488 100755
--- a/source/extensions/filters/network/kafka/protocol/generator.py
+++ b/source/extensions/filters/network/kafka/protocol/generator.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 # Main library file containing all the protocol generation logic.
 
diff --git a/source/extensions/filters/network/kafka/protocol/launcher.py b/source/extensions/filters/network/kafka/protocol/launcher.py
index ce16acb632425..86521e26cadd2 100644
--- a/source/extensions/filters/network/kafka/protocol/launcher.py
+++ b/source/extensions/filters/network/kafka/protocol/launcher.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 # Launcher for generating Kafka protocol code.
 
diff --git a/source/extensions/filters/network/kafka/serialization/generator.py b/source/extensions/filters/network/kafka/serialization/generator.py
index a05012e4837d1..d7fe3f580f98d 100755
--- a/source/extensions/filters/network/kafka/serialization/generator.py
+++ b/source/extensions/filters/network/kafka/serialization/generator.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 # Main library file containing all the composite deserializer logic.
 
diff --git a/source/extensions/filters/network/kafka/serialization/launcher.py b/source/extensions/filters/network/kafka/serialization/launcher.py
index 2f63ffb45b969..268979e42db16 100644
--- a/source/extensions/filters/network/kafka/serialization/launcher.py
+++ b/source/extensions/filters/network/kafka/serialization/launcher.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 # Launcher for generating composite serializer code.
 
diff --git a/test/extensions/filters/network/kafka/broker/integration_test/kafka_broker_integration_test.py b/test/extensions/filters/network/kafka/broker/integration_test/kafka_broker_integration_test.py
index 490f1ae7ce617..50499767e8303 100644
--- a/test/extensions/filters/network/kafka/broker/integration_test/kafka_broker_integration_test.py
+++ b/test/extensions/filters/network/kafka/broker/integration_test/kafka_broker_integration_test.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 import random
 import os
diff --git a/test/extensions/filters/network/kafka/protocol/launcher.py b/test/extensions/filters/network/kafka/protocol/launcher.py
index d277457f0e2e3..8b1d29e401e3b 100644
--- a/test/extensions/filters/network/kafka/protocol/launcher.py
+++ b/test/extensions/filters/network/kafka/protocol/launcher.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 # Launcher for generating Kafka protocol tests.
 
diff --git a/test/extensions/filters/network/kafka/serialization/launcher.py b/test/extensions/filters/network/kafka/serialization/launcher.py
index 223e56ef3e906..2744a3ba91a8c 100644
--- a/test/extensions/filters/network/kafka/serialization/launcher.py
+++ b/test/extensions/filters/network/kafka/serialization/launcher.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python
 
 # Launcher for generating composite serializer tests.