diff --git a/Makefile b/Makefile
index e67f0ca74d26..635dbc25c9b1 100644
--- a/Makefile
+++ b/Makefile
@@ -346,7 +346,7 @@ endif
 
 RUST_PROFILE ?= debug
 ifneq ($(RUST_PROFILE),debug)
-CARGO_OPTS := --profile=$(RUST_PROFILE) --quiet
+CARGO_OPTS := --profile=$(RUST_PROFILE) --locked --quiet
 else
 CARGO_OPTS := --quiet
 endif
diff --git a/contrib/reprobuild/Dockerfile.focal b/contrib/reprobuild/Dockerfile.focal
index e61524d40187..4d960aa6906b 100644
--- a/contrib/reprobuild/Dockerfile.focal
+++ b/contrib/reprobuild/Dockerfile.focal
@@ -2,6 +2,7 @@ FROM focal
 
 ENV TZ=UTC
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
+ENV SOURCE_DATE_EPOCH=1672531200
 ENV RUST_PROFILE=release
 ENV PATH=/root/.pyenv/shims:/root/.pyenv/bin:/root/.cargo/bin:/root/.local/bin:$PATH
 ENV PROTOC_VERSION=29.4
diff --git a/contrib/reprobuild/Dockerfile.jammy b/contrib/reprobuild/Dockerfile.jammy
index b363bc3b2f83..3f156a6f6658 100644
--- a/contrib/reprobuild/Dockerfile.jammy
+++ b/contrib/reprobuild/Dockerfile.jammy
@@ -2,6 +2,7 @@ FROM jammy
 
 ENV TZ=UTC
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
+ENV SOURCE_DATE_EPOCH=1672531200
 ENV RUST_PROFILE=release
 ENV PATH=/root/.pyenv/shims:/root/.pyenv/bin:/root/.cargo/bin:/root/.local/bin:$PATH
 ENV PROTOC_VERSION=29.4
diff --git a/contrib/reprobuild/Dockerfile.noble b/contrib/reprobuild/Dockerfile.noble
index f9c4506b312c..a630596bd765 100644
--- a/contrib/reprobuild/Dockerfile.noble
+++ b/contrib/reprobuild/Dockerfile.noble
@@ -2,6 +2,7 @@ FROM ubuntu:noble
 
 ENV TZ=UTC
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
+ENV SOURCE_DATE_EPOCH=1672531200
 ENV RUST_PROFILE=release
 ENV PATH=/root/.pyenv/shims:/root/.pyenv/bin:/root/.cargo/bin:/root/.local/bin:$PATH
 ENV PROTOC_VERSION=29.4