diff --git a/firefox/Dockerfile b/firefox/Dockerfile
index 809fe51..08a0cd3 100644
--- a/firefox/Dockerfile
+++ b/firefox/Dockerfile
@@ -16,7 +16,7 @@ RUN sed -i.bak 's/sid main/sid main contrib/g' /etc/apt/sources.list && \
 	--no-install-recommends \
 	&& rm -rf /var/lib/apt/lists/*
 
-ENV FIREFOX_VERSION 45.0
+ENV FIREFOX_VERSION 45.0.1
 ENV LANG en-US
 
 RUN curl -sSL "https://ftp.mozilla.org/pub/mozilla.org/firefox/releases/${FIREFOX_VERSION}/linux-x86_64/${LANG}/firefox-${FIREFOX_VERSION}.tar.bz2" -o /tmp/firefox.tar.bz2 \
diff --git a/tor-browser/alpha/Dockerfile b/tor-browser/alpha/Dockerfile
index 108f35f..7dcde18 100644
--- a/tor-browser/alpha/Dockerfile
+++ b/tor-browser/alpha/Dockerfile
@@ -26,7 +26,7 @@ RUN useradd --create-home --home-dir $HOME user \
 
 ENV LANG C.UTF-8
 
-ENV TOR_VERSION 6.0a3
+ENV TOR_VERSION 6.0a4
 ENV TOR_FINGERPRINT 0x4E2C6E8793298290
 
 # download tor and check signature
diff --git a/tor-browser/hardened/Dockerfile b/tor-browser/hardened/Dockerfile
index 1249300..6908ac1 100644
--- a/tor-browser/hardened/Dockerfile
+++ b/tor-browser/hardened/Dockerfile
@@ -26,7 +26,7 @@ RUN useradd --create-home --home-dir $HOME user \
 
 ENV LANG C.UTF-8
 
-ENV TOR_VERSION 6.0a3-hardened
+ENV TOR_VERSION 6.0a4-hardened
 ENV TOR_FINGERPRINT 0x4E2C6E8793298290
 
 # download tor and check signature
diff --git a/tor-browser/stable/Dockerfile b/tor-browser/stable/Dockerfile
index ee211cf..98254bc 100644
--- a/tor-browser/stable/Dockerfile
+++ b/tor-browser/stable/Dockerfile
@@ -26,7 +26,7 @@ RUN useradd --create-home --home-dir $HOME user \
 
 ENV LANG C.UTF-8
 
-ENV TOR_VERSION 5.5.3
+ENV TOR_VERSION 5.5.4
 ENV TOR_FINGERPRINT 0x4E2C6E8793298290
 
 # download tor and check signature