diff --git a/contrib/gitian/gitian-android.yml b/contrib/gitian/gitian-android.yml
index a67ac72b6..cf953d87c 100644
--- a/contrib/gitian/gitian-android.yml
+++ b/contrib/gitian/gitian-android.yml
@@ -8,8 +8,8 @@ architectures:
 packages:
 - "curl"
 - "gperf"
-- "gcc-9"
-- "g++-9"
+- "gcc-7"
+- "g++-7"
 - "gcc"
 - "g++"
 - "binutils-gold"
diff --git a/contrib/gitian/gitian-freebsd.yml b/contrib/gitian/gitian-freebsd.yml
index 3cd3b4782..eed9379cb 100644
--- a/contrib/gitian/gitian-freebsd.yml
+++ b/contrib/gitian/gitian-freebsd.yml
@@ -9,8 +9,8 @@ packages:
 - "curl"
 - "clang-8"
 - "gperf"
-- "gcc-9"
-- "g++-9"
+- "gcc-7"
+- "g++-7"
 - "gcc"
 - "g++"
 - "binutils-gold"
diff --git a/contrib/gitian/gitian-linux.yml b/contrib/gitian/gitian-linux.yml
index 0a5b84257..2b8371ba3 100644
--- a/contrib/gitian/gitian-linux.yml
+++ b/contrib/gitian/gitian-linux.yml
@@ -8,22 +8,22 @@ architectures:
 packages:
 - "curl"
 - "gperf"
-- "gcc-9"
-- "g++-9"
+- "gcc-7"
+- "g++-7"
 - "gcc"
 - "g++"
-- "gcc-9-aarch64-linux-gnu"
-- "g++-9-aarch64-linux-gnu"
+- "gcc-7-aarch64-linux-gnu"
+- "g++-7-aarch64-linux-gnu"
 - "gcc-aarch64-linux-gnu"
 - "g++-aarch64-linux-gnu"
 - "binutils-aarch64-linux-gnu"
-- "gcc-9-arm-linux-gnueabihf"
-- "g++-9-arm-linux-gnueabihf"
+- "gcc-7-arm-linux-gnueabihf"
+- "g++-7-arm-linux-gnueabihf"
 - "gcc-arm-linux-gnueabihf"
 - "g++-arm-linux-gnueabihf"
 - "g++-riscv64-linux-gnu"
-- "g++-9-multilib"
-- "gcc-9-multilib"
+- "g++-7-multilib"
+- "gcc-7-multilib"
 - "binutils-arm-linux-gnueabihf"
 - "binutils-gold"
 - "git"