diff --git a/.travis/install-gambit.sh b/.travis/install-gambit.sh
index a2bf0831f..0dee53100 100644
--- a/.travis/install-gambit.sh
+++ b/.travis/install-gambit.sh
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
 
 if [ ! -f $HOME/gambit/bin/gsi ]; then
-  wget http://www.iro.umontreal.ca/~gambit/download/gambit/v4.9/source/gambit-v4_9_0.tgz
-  tar xzvf gambit-v4_9_0.tgz
-  pushd gambit-v4_9_0
+  wget http://www.iro.umontreal.ca/~gambit/download/gambit/v4.9/source/gambit-v4_9_1.tgz
+  tar xzvf gambit-v4_9_1.tgz
+  pushd gambit-v4_9_1
   ./configure --prefix=$HOME/gambit --enable-single-host
   make
   make install
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1df0cf0a1..83f8f6c34 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,23 @@
+### 11-19-2018: Gerbil-v0.14
+
+Protobufs and misc improvements and fixes; tag for Gambit v4.9.1.
+
+- system
+  - remove dependency of scripts from bash
+  - GERBIL_GSC environment variable for gsc executable path
+  - Dockerfile
+  - some progress in the documentation project
+- stdlib
+  - [new] std/protobuf: Protobuf package, with custom language for direct imports.
+  - [new] std/text/base58: base58 encoding and decoding
+  - [feat] std/net/bio: more bio input methods, input subbuffers
+  - [feat] std/misc/channel: iterators for channels
+  - [feat] std/text/yaml: yaml-load-string for parsing YAML strings
+  - [fix] std/text/json: fix encoding of unicode characters
+  - [fix] std/crypto/libcrypto: fix OpenSSL-v1.1 support
+  - [fix] std/db/postgresql: fix database name parameter in driver
+
+
 ### 9-6-2018: Gerbil-v0.13
 
 The focus on performance, fixes, and documentation.
@@ -51,6 +71,10 @@ The focus on performance, fixes, and documentation.
     - std/os/socket: system undefined constants have a value of #f
     - std/os/fcntl: more linux specific constants
     - [new] std/os/kqueue: kqueue support for BSDs
+    - [new] signal handling:
+      - std/os/signal: kill and signal definitions
+      - std/os/signalfd [linux]
+      - std/os/signal-handler: signal handler interface
   - std/srfi/1: tune for dispatch perfomance
 - r7rs compliance
   - read-string, write-string
diff --git a/doc/guide/README.md b/doc/guide/README.md
index 4ba213cf1..0d1de850d 100644
--- a/doc/guide/README.md
+++ b/doc/guide/README.md
@@ -11,7 +11,8 @@ $ git clone https://github.com/vyzo/gerbil.git
 
 ## Dependencies
 
-The latest Gerbil release (v0.13) requires Gambit v4.9.0.
+The latest Gerbil release (v0.14) requires Gambit v4.9.0;
+the latest Gambit is recommended nonetheless (v4.9.1).
 
 The core system has no dependencies outside Gambit, but the standard
 library has several mostly optional dependencies. The only hard dependency